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GNU C Library master sources branch, hjl/pr14117, updated. glibc-2.15-1101-gc2504a4
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 31 May 2012 01:03:46 -0000
- Subject: GNU C Library master sources branch, hjl/pr14117, updated. glibc-2.15-1101-gc2504a4
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- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=c2504a4c1a8ed5e07094eaff72e9136649e8bb64
commit c2504a4c1a8ed5e07094eaff72e9136649e8bb64
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed May 30 18:03:17 2012 -0700
Move i486/bits/string.h to x86/bits/string.h
diff --git a/ChangeLog b/ChangeLog
index c1e552a..8d5718a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2012-05-30 H.J. Lu <hongjiu.lu@intel.com>
+ * sysdeps/i386/i486/bits/string.h: Move contents to ...
+ * sysdeps/x86/bits/string.h: Here.
+
+2012-05-30 H.J. Lu <hongjiu.lu@intel.com>
+
[BZ #14117]
* sysdeps/unix/sysv/linux/x86_64/bits/a.out.h: Renamed to ...
* sysdeps/unix/sysv/linux/x86/bits/a.out.h: This.
diff --git a/sysdeps/i386/i486/bits/string.h b/sysdeps/i386/i486/bits/string.h
deleted file mode 100644
index a5edf51..0000000
--- a/sysdeps/i386/i486/bits/string.h
+++ /dev/null
@@ -1,1975 +0,0 @@
-/* Optimized, inlined string functions. i486 version.
- Copyright (C) 1997,1998,1999,2000,2001,2002,2003,2004,2007,2011,2012
- Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#ifndef _STRING_H
-# error "Never use <bits/string.h> directly; include <string.h> instead."
-#endif
-
-/* The ix86 processors can access unaligned multi-byte variables. */
-#define _STRING_ARCH_unaligned 1
-
-
-/* We only provide optimizations if the user selects them and if
- GNU CC is used. */
-#if !defined __NO_STRING_INLINES && defined __USE_STRING_INLINES \
- && defined __GNUC__ && __GNUC__ >= 2 && !__BOUNDED_POINTERS__
-
-#ifndef __STRING_INLINE
-# ifndef __extern_inline
-# define __STRING_INLINE inline
-# else
-# define __STRING_INLINE __extern_inline
-# endif
-#endif
-
-/* The macros are used in some of the optimized implementations below. */
-#define __STRING_SMALL_GET16(src, idx) \
- ((((const unsigned char *) (src))[idx + 1] << 8) \
- | ((const unsigned char *) (src))[idx])
-#define __STRING_SMALL_GET32(src, idx) \
- (((((const unsigned char *) (src))[idx + 3] << 8 \
- | ((const unsigned char *) (src))[idx + 2]) << 8 \
- | ((const unsigned char *) (src))[idx + 1]) << 8 \
- | ((const unsigned char *) (src))[idx])
-
-
-/* Copy N bytes of SRC to DEST. */
-#define _HAVE_STRING_ARCH_memcpy 1
-#define memcpy(dest, src, n) \
- (__extension__ (__builtin_constant_p (n) \
- ? __memcpy_c ((dest), (src), (n)) \
- : __memcpy_g ((dest), (src), (n))))
-#define __memcpy_c(dest, src, n) \
- ((n) == 0 \
- ? (dest) \
- : (((n) % 4 == 0) \
- ? __memcpy_by4 (dest, src, n) \
- : (((n) % 2 == 0) \
- ? __memcpy_by2 (dest, src, n) \
- : __memcpy_g (dest, src, n))))
-
-__STRING_INLINE void *__memcpy_by4 (void *__dest, const void *__src,
- size_t __n);
-
-__STRING_INLINE void *
-__memcpy_by4 (void *__dest, const void *__src, size_t __n)
-{
- register unsigned long int __d0, __d1;
- register void *__tmp = __dest;
- __asm__ __volatile__
- ("1:\n\t"
- "movl (%2),%0\n\t"
- "leal 4(%2),%2\n\t"
- "movl %0,(%1)\n\t"
- "leal 4(%1),%1\n\t"
- "decl %3\n\t"
- "jnz 1b"
- : "=&r" (__d0), "=&r" (__tmp), "=&r" (__src), "=&r" (__d1)
- : "1" (__tmp), "2" (__src), "3" (__n / 4)
- : "memory", "cc");
- return __dest;
-}
-
-__STRING_INLINE void *__memcpy_by2 (void *__dest, const void *__src,
- size_t __n);
-
-__STRING_INLINE void *
-__memcpy_by2 (void *__dest, const void *__src, size_t __n)
-{
- register unsigned long int __d0, __d1;
- register void *__tmp = __dest;
- __asm__ __volatile__
- ("shrl $1,%3\n\t"
- "jz 2f\n" /* only a word */
- "1:\n\t"
- "movl (%2),%0\n\t"
- "leal 4(%2),%2\n\t"
- "movl %0,(%1)\n\t"
- "leal 4(%1),%1\n\t"
- "decl %3\n\t"
- "jnz 1b\n"
- "2:\n\t"
- "movw (%2),%w0\n\t"
- "movw %w0,(%1)"
- : "=&q" (__d0), "=&r" (__tmp), "=&r" (__src), "=&r" (__d1)
- : "1" (__tmp), "2" (__src), "3" (__n / 2)
- : "memory", "cc");
- return __dest;
-}
-
-__STRING_INLINE void *__memcpy_g (void *__dest, const void *__src, size_t __n);
-
-__STRING_INLINE void *
-__memcpy_g (void *__dest, const void *__src, size_t __n)
-{
- register unsigned long int __d0, __d1, __d2;
- register void *__tmp = __dest;
- __asm__ __volatile__
- ("cld\n\t"
- "shrl $1,%%ecx\n\t"
- "jnc 1f\n\t"
- "movsb\n"
- "1:\n\t"
- "shrl $1,%%ecx\n\t"
- "jnc 2f\n\t"
- "movsw\n"
- "2:\n\t"
- "rep; movsl"
- : "=&c" (__d0), "=&D" (__d1), "=&S" (__d2),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__dest)
- : "0" (__n), "1" (__tmp), "2" (__src),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__src)
- : "cc");
- return __dest;
-}
-
-#define _HAVE_STRING_ARCH_memmove 1
-#ifndef _FORCE_INLINES
-/* Copy N bytes of SRC to DEST, guaranteeing
- correct behavior for overlapping strings. */
-#define memmove(dest, src, n) __memmove_g (dest, src, n)
-
-__STRING_INLINE void *__memmove_g (void *, const void *, size_t)
- __asm__ ("memmove");
-
-__STRING_INLINE void *
-__memmove_g (void *__dest, const void *__src, size_t __n)
-{
- register unsigned long int __d0, __d1, __d2;
- register void *__tmp = __dest;
- if (__dest < __src)
- __asm__ __volatile__
- ("cld\n\t"
- "rep; movsb"
- : "=&c" (__d0), "=&S" (__d1), "=&D" (__d2),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__dest)
- : "0" (__n), "1" (__src), "2" (__tmp),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__src));
- else
- __asm__ __volatile__
- ("std\n\t"
- "rep; movsb\n\t"
- "cld"
- : "=&c" (__d0), "=&S" (__d1), "=&D" (__d2),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__dest)
- : "0" (__n), "1" (__n - 1 + (const char *) __src),
- "2" (__n - 1 + (char *) __tmp),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__src));
- return __dest;
-}
-#endif
-
-/* Compare N bytes of S1 and S2. */
-#define _HAVE_STRING_ARCH_memcmp 1
-#ifndef _FORCE_INLINES
-# ifndef __PIC__
-/* gcc has problems to spill registers when using PIC. */
-__STRING_INLINE int
-memcmp (const void *__s1, const void *__s2, size_t __n)
-{
- register unsigned long int __d0, __d1, __d2;
- register int __res;
- __asm__ __volatile__
- ("cld\n\t"
- "testl %3,%3\n\t"
- "repe; cmpsb\n\t"
- "je 1f\n\t"
- "sbbl %0,%0\n\t"
- "orl $1,%0\n"
- "1:"
- : "=&a" (__res), "=&S" (__d0), "=&D" (__d1), "=&c" (__d2)
- : "0" (0), "1" (__s1), "2" (__s2), "3" (__n),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s1),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s2)
- : "cc");
- return __res;
-}
-# endif
-#endif
-
-/* Set N bytes of S to C. */
-#define _HAVE_STRING_ARCH_memset 1
-#define _USE_STRING_ARCH_memset 1
-#define memset(s, c, n) \
- (__extension__ (__builtin_constant_p (n) && (n) <= 16 \
- ? ((n) == 1 \
- ? __memset_c1 ((s), (c)) \
- : __memset_gc ((s), (c), (n))) \
- : (__builtin_constant_p (c) \
- ? (__builtin_constant_p (n) \
- ? __memset_ccn ((s), (c), (n)) \
- : memset ((s), (c), (n))) \
- : (__builtin_constant_p (n) \
- ? __memset_gcn ((s), (c), (n)) \
- : memset ((s), (c), (n))))))
-
-#define __memset_c1(s, c) ({ void *__s = (s); \
- *((unsigned char *) __s) = (unsigned char) (c); \
- __s; })
-
-#define __memset_gc(s, c, n) \
- ({ void *__s = (s); \
- union { \
- unsigned int __ui; \
- unsigned short int __usi; \
- unsigned char __uc; \
- } *__u = __s; \
- unsigned int __c = ((unsigned int) ((unsigned char) (c))) * 0x01010101; \
- \
- /* We apply a trick here. `gcc' would implement the following \
- assignments using immediate operands. But this uses to much \
- memory (7, instead of 4 bytes). So we force the value in a \
- registers. */ \
- if ((n) == 3 || (n) >= 5) \
- __asm__ __volatile__ ("" : "=r" (__c) : "0" (__c)); \
- \
- /* This `switch' statement will be removed at compile-time. */ \
- switch (n) \
- { \
- case 15: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 11: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 7: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 3: \
- __u->__usi = (unsigned short int) __c; \
- __u = __extension__ ((void *) __u + 2); \
- __u->__uc = (unsigned char) __c; \
- break; \
- \
- case 14: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 10: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 6: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 2: \
- __u->__usi = (unsigned short int) __c; \
- break; \
- \
- case 13: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 9: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 5: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 1: \
- __u->__uc = (unsigned char) __c; \
- break; \
- \
- case 16: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 12: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 8: \
- __u->__ui = __c; \
- __u = __extension__ ((void *) __u + 4); \
- case 4: \
- __u->__ui = __c; \
- case 0: \
- break; \
- } \
- \
- __s; })
-
-#define __memset_ccn(s, c, n) \
- (((n) % 4 == 0) \
- ? __memset_ccn_by4 (s, ((unsigned int) ((unsigned char) (c))) * 0x01010101,\
- n) \
- : (((n) % 2 == 0) \
- ? __memset_ccn_by2 (s, \
- ((unsigned int) ((unsigned char) (c))) * 0x01010101,\
- n) \
- : memset (s, c, n)))
-
-__STRING_INLINE void *__memset_ccn_by4 (void *__s, unsigned int __c,
- size_t __n);
-
-__STRING_INLINE void *
-__memset_ccn_by4 (void *__s, unsigned int __c, size_t __n)
-{
- register void *__tmp = __s;
- register unsigned long int __d0;
-#ifdef __i686__
- __asm__ __volatile__
- ("cld\n\t"
- "rep; stosl"
- : "=&a" (__c), "=&D" (__tmp), "=&c" (__d0),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
- : "cc");
-#else
- __asm__ __volatile__
- ("1:\n\t"
- "movl %0,(%1)\n\t"
- "addl $4,%1\n\t"
- "decl %2\n\t"
- "jnz 1b\n"
- : "=&r" (__c), "=&r" (__tmp), "=&r" (__d0),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
- : "cc");
-#endif
- return __s;
-}
-
-__STRING_INLINE void *__memset_ccn_by2 (void *__s, unsigned int __c,
- size_t __n);
-
-__STRING_INLINE void *
-__memset_ccn_by2 (void *__s, unsigned int __c, size_t __n)
-{
- register unsigned long int __d0, __d1;
- register void *__tmp = __s;
-#ifdef __i686__
- __asm__ __volatile__
- ("cld\n\t"
- "rep; stosl\n"
- "stosw"
- : "=&a" (__d0), "=&D" (__tmp), "=&c" (__d1),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
- : "cc");
-#else
- __asm__ __volatile__
- ("1:\tmovl %0,(%1)\n\t"
- "leal 4(%1),%1\n\t"
- "decl %2\n\t"
- "jnz 1b\n"
- "movw %w0,(%1)"
- : "=&q" (__d0), "=&r" (__tmp), "=&r" (__d1),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
- : "cc");
-#endif
- return __s;
-}
-
-#define __memset_gcn(s, c, n) \
- (((n) % 4 == 0) \
- ? __memset_gcn_by4 (s, c, n) \
- : (((n) % 2 == 0) \
- ? __memset_gcn_by2 (s, c, n) \
- : memset (s, c, n)))
-
-__STRING_INLINE void *__memset_gcn_by4 (void *__s, int __c, size_t __n);
-
-__STRING_INLINE void *
-__memset_gcn_by4 (void *__s, int __c, size_t __n)
-{
- register void *__tmp = __s;
- register unsigned long int __d0;
- __asm__ __volatile__
- ("movb %b0,%h0\n"
- "pushw %w0\n\t"
- "shll $16,%0\n\t"
- "popw %w0\n"
- "1:\n\t"
- "movl %0,(%1)\n\t"
- "addl $4,%1\n\t"
- "decl %2\n\t"
- "jnz 1b\n"
- : "=&q" (__c), "=&r" (__tmp), "=&r" (__d0),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
- : "cc");
- return __s;
-}
-
-__STRING_INLINE void *__memset_gcn_by2 (void *__s, int __c, size_t __n);
-
-__STRING_INLINE void *
-__memset_gcn_by2 (void *__s, int __c, size_t __n)
-{
- register unsigned long int __d0, __d1;
- register void *__tmp = __s;
- __asm__ __volatile__
- ("movb %b0,%h0\n\t"
- "pushw %w0\n\t"
- "shll $16,%0\n\t"
- "popw %w0\n"
- "1:\n\t"
- "movl %0,(%1)\n\t"
- "leal 4(%1),%1\n\t"
- "decl %2\n\t"
- "jnz 1b\n"
- "movw %w0,(%1)"
- : "=&q" (__d0), "=&r" (__tmp), "=&r" (__d1),
- "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
- : "cc");
- return __s;
-}
-
-
-/* Search N bytes of S for C. */
-#define _HAVE_STRING_ARCH_memchr 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE void *
-memchr (const void *__s, int __c, size_t __n)
-{
- register unsigned long int __d0;
-#ifdef __i686__
- register unsigned long int __d1;
-#endif
- register unsigned char *__res;
- if (__n == 0)
- return NULL;
-#ifdef __i686__
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "cmovne %2,%0"
- : "=D" (__res), "=&c" (__d0), "=&r" (__d1)
- : "a" (__c), "0" (__s), "1" (__n), "2" (1),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "cc");
-#else
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "je 1f\n\t"
- "movl $1,%0\n"
- "1:"
- : "=D" (__res), "=&c" (__d0)
- : "a" (__c), "0" (__s), "1" (__n),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "cc");
-#endif
- return __res - 1;
-}
-#endif
-
-#define _HAVE_STRING_ARCH_memrchr 1
-#ifndef _FORCE_INLINES
-__STRING_INLINE void *__memrchr (const void *__s, int __c, size_t __n);
-
-__STRING_INLINE void *
-__memrchr (const void *__s, int __c, size_t __n)
-{
- register unsigned long int __d0;
-# ifdef __i686__
- register unsigned long int __d1;
-# endif
- register void *__res;
- if (__n == 0)
- return NULL;
-# ifdef __i686__
- __asm__ __volatile__
- ("std\n\t"
- "repne; scasb\n\t"
- "cmovne %2,%0\n\t"
- "cld\n\t"
- "incl %0"
- : "=D" (__res), "=&c" (__d0), "=&r" (__d1)
- : "a" (__c), "0" (__s + __n - 1), "1" (__n), "2" (-1),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "cc");
-# else
- __asm__ __volatile__
- ("std\n\t"
- "repne; scasb\n\t"
- "je 1f\n\t"
- "orl $-1,%0\n"
- "1:\tcld\n\t"
- "incl %0"
- : "=D" (__res), "=&c" (__d0)
- : "a" (__c), "0" (__s + __n - 1), "1" (__n),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
- : "cc");
-# endif
- return __res;
-}
-# ifdef __USE_GNU
-# define memrchr(s, c, n) __memrchr ((s), (c), (n))
-# endif
-#endif
-
-/* Return pointer to C in S. */
-#define _HAVE_STRING_ARCH_rawmemchr 1
-__STRING_INLINE void *__rawmemchr (const void *__s, int __c);
-
-#ifndef _FORCE_INLINES
-__STRING_INLINE void *
-__rawmemchr (const void *__s, int __c)
-{
- register unsigned long int __d0;
- register unsigned char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- : "=D" (__res), "=&c" (__d0)
- : "a" (__c), "0" (__s), "1" (0xffffffff),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res - 1;
-}
-# ifdef __USE_GNU
-__STRING_INLINE void *
-rawmemchr (const void *__s, int __c)
-{
- return __rawmemchr (__s, __c);
-}
-# endif /* use GNU */
-#endif
-
-
-/* Return the length of S. */
-#define _HAVE_STRING_ARCH_strlen 1
-#define strlen(str) \
- (__extension__ (__builtin_constant_p (str) \
- ? __builtin_strlen (str) \
- : __strlen_g (str)))
-__STRING_INLINE size_t __strlen_g (const char *__str);
-
-__STRING_INLINE size_t
-__strlen_g (const char *__str)
-{
- register char __dummy;
- register const char *__tmp = __str;
- __asm__ __volatile__
- ("1:\n\t"
- "movb (%0),%b1\n\t"
- "leal 1(%0),%0\n\t"
- "testb %b1,%b1\n\t"
- "jne 1b"
- : "=r" (__tmp), "=&q" (__dummy)
- : "0" (__str),
- "m" ( *(struct { char __x[0xfffffff]; } *)__str)
- : "cc" );
- return __tmp - __str - 1;
-}
-
-
-/* Copy SRC to DEST. */
-#define _HAVE_STRING_ARCH_strcpy 1
-#define strcpy(dest, src) \
- (__extension__ (__builtin_constant_p (src) \
- ? (sizeof ((src)[0]) == 1 && strlen (src) + 1 <= 8 \
- ? __strcpy_a_small ((dest), (src), strlen (src) + 1) \
- : (char *) memcpy ((char *) (dest), \
- (const char *) (src), \
- strlen (src) + 1)) \
- : __strcpy_g ((dest), (src))))
-
-#define __strcpy_a_small(dest, src, srclen) \
- (__extension__ ({ char *__dest = (dest); \
- union { \
- unsigned int __ui; \
- unsigned short int __usi; \
- unsigned char __uc; \
- char __c; \
- } *__u = (void *) __dest; \
- switch (srclen) \
- { \
- case 1: \
- __u->__uc = '\0'; \
- break; \
- case 2: \
- __u->__usi = __STRING_SMALL_GET16 (src, 0); \
- break; \
- case 3: \
- __u->__usi = __STRING_SMALL_GET16 (src, 0); \
- __u = __extension__ ((void *) __u + 2); \
- __u->__uc = '\0'; \
- break; \
- case 4: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- break; \
- case 5: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 4); \
- __u->__uc = '\0'; \
- break; \
- case 6: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 4); \
- __u->__usi = __STRING_SMALL_GET16 (src, 4); \
- break; \
- case 7: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 4); \
- __u->__usi = __STRING_SMALL_GET16 (src, 4); \
- __u = __extension__ ((void *) __u + 2); \
- __u->__uc = '\0'; \
- break; \
- case 8: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 4); \
- __u->__ui = __STRING_SMALL_GET32 (src, 4); \
- break; \
- } \
- (char *) __dest; }))
-
-__STRING_INLINE char *__strcpy_g (char *__dest, const char *__src);
-
-__STRING_INLINE char *
-__strcpy_g (char *__dest, const char *__src)
-{
- register char *__tmp = __dest;
- register char __dummy;
- __asm__ __volatile__
- (
- "1:\n\t"
- "movb (%0),%b2\n\t"
- "leal 1(%0),%0\n\t"
- "movb %b2,(%1)\n\t"
- "leal 1(%1),%1\n\t"
- "testb %b2,%b2\n\t"
- "jne 1b"
- : "=&r" (__src), "=&r" (__tmp), "=&q" (__dummy),
- "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
- : "0" (__src), "1" (__tmp),
- "m" ( *(struct { char __x[0xfffffff]; } *)__src)
- : "cc");
- return __dest;
-}
-
-
-#ifdef __USE_GNU
-# define _HAVE_STRING_ARCH_stpcpy 1
-/* Copy SRC to DEST. */
-# define __stpcpy(dest, src) \
- (__extension__ (__builtin_constant_p (src) \
- ? (strlen (src) + 1 <= 8 \
- ? __stpcpy_a_small ((dest), (src), strlen (src) + 1) \
- : __stpcpy_c ((dest), (src), strlen (src) + 1)) \
- : __stpcpy_g ((dest), (src))))
-# define __stpcpy_c(dest, src, srclen) \
- ((srclen) % 4 == 0 \
- ? __mempcpy_by4 (dest, src, srclen) - 1 \
- : ((srclen) % 2 == 0 \
- ? __mempcpy_by2 (dest, src, srclen) - 1 \
- : __mempcpy_byn (dest, src, srclen) - 1))
-
-/* In glibc itself we use this symbol for namespace reasons. */
-# define stpcpy(dest, src) __stpcpy ((dest), (src))
-
-# define __stpcpy_a_small(dest, src, srclen) \
- (__extension__ ({ union { \
- unsigned int __ui; \
- unsigned short int __usi; \
- unsigned char __uc; \
- char __c; \
- } *__u = (void *) (dest); \
- switch (srclen) \
- { \
- case 1: \
- __u->__uc = '\0'; \
- break; \
- case 2: \
- __u->__usi = __STRING_SMALL_GET16 (src, 0); \
- __u = __extension__ ((void *) __u + 1); \
- break; \
- case 3: \
- __u->__usi = __STRING_SMALL_GET16 (src, 0); \
- __u = __extension__ ((void *) __u + 2); \
- __u->__uc = '\0'; \
- break; \
- case 4: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 3); \
- break; \
- case 5: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 4); \
- __u->__uc = '\0'; \
- break; \
- case 6: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 4); \
- __u->__usi = __STRING_SMALL_GET16 (src, 4); \
- __u = __extension__ ((void *) __u + 1); \
- break; \
- case 7: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 4); \
- __u->__usi = __STRING_SMALL_GET16 (src, 4); \
- __u = __extension__ ((void *) __u + 2); \
- __u->__uc = '\0'; \
- break; \
- case 8: \
- __u->__ui = __STRING_SMALL_GET32 (src, 0); \
- __u = __extension__ ((void *) __u + 4); \
- __u->__ui = __STRING_SMALL_GET32 (src, 4); \
- __u = __extension__ ((void *) __u + 3); \
- break; \
- } \
- (char *) __u; }))
-
-__STRING_INLINE char *__mempcpy_by4 (char *__dest, const char *__src,
- size_t __srclen);
-
-__STRING_INLINE char *
-__mempcpy_by4 (char *__dest, const char *__src, size_t __srclen)
-{
- register char *__tmp = __dest;
- register unsigned long int __d0, __d1;
- __asm__ __volatile__
- ("1:\n\t"
- "movl (%2),%0\n\t"
- "leal 4(%2),%2\n\t"
- "movl %0,(%1)\n\t"
- "leal 4(%1),%1\n\t"
- "decl %3\n\t"
- "jnz 1b"
- : "=&r" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1)
- : "1" (__tmp), "2" (__src), "3" (__srclen / 4)
- : "memory", "cc");
- return __tmp;
-}
-
-__STRING_INLINE char *__mempcpy_by2 (char *__dest, const char *__src,
- size_t __srclen);
-
-__STRING_INLINE char *
-__mempcpy_by2 (char *__dest, const char *__src, size_t __srclen)
-{
- register char *__tmp = __dest;
- register unsigned long int __d0, __d1;
- __asm__ __volatile__
- ("shrl $1,%3\n\t"
- "jz 2f\n" /* only a word */
- "1:\n\t"
- "movl (%2),%0\n\t"
- "leal 4(%2),%2\n\t"
- "movl %0,(%1)\n\t"
- "leal 4(%1),%1\n\t"
- "decl %3\n\t"
- "jnz 1b\n"
- "2:\n\t"
- "movw (%2),%w0\n\t"
- "movw %w0,(%1)"
- : "=&q" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1),
- "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
- : "1" (__tmp), "2" (__src), "3" (__srclen / 2),
- "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
- : "cc");
- return __tmp + 2;
-}
-
-__STRING_INLINE char *__mempcpy_byn (char *__dest, const char *__src,
- size_t __srclen);
-
-__STRING_INLINE char *
-__mempcpy_byn (char *__dest, const char *__src, size_t __srclen)
-{
- register unsigned long __d0, __d1;
- register char *__tmp = __dest;
- __asm__ __volatile__
- ("cld\n\t"
- "shrl $1,%%ecx\n\t"
- "jnc 1f\n\t"
- "movsb\n"
- "1:\n\t"
- "shrl $1,%%ecx\n\t"
- "jnc 2f\n\t"
- "movsw\n"
- "2:\n\t"
- "rep; movsl"
- : "=D" (__tmp), "=&c" (__d0), "=&S" (__d1),
- "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
- : "0" (__tmp), "1" (__srclen), "2" (__src),
- "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
- : "cc");
- return __tmp;
-}
-
-__STRING_INLINE char *__stpcpy_g (char *__dest, const char *__src);
-
-__STRING_INLINE char *
-__stpcpy_g (char *__dest, const char *__src)
-{
- register char *__tmp = __dest;
- register char __dummy;
- __asm__ __volatile__
- (
- "1:\n\t"
- "movb (%0),%b2\n\t"
- "leal 1(%0),%0\n\t"
- "movb %b2,(%1)\n\t"
- "leal 1(%1),%1\n\t"
- "testb %b2,%b2\n\t"
- "jne 1b"
- : "=&r" (__src), "=r" (__tmp), "=&q" (__dummy),
- "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
- : "0" (__src), "1" (__tmp),
- "m" ( *(struct { char __x[0xfffffff]; } *)__src)
- : "cc");
- return __tmp - 1;
-}
-#endif
-
-
-/* Copy no more than N characters of SRC to DEST. */
-#define _HAVE_STRING_ARCH_strncpy 1
-#define strncpy(dest, src, n) \
- (__extension__ (__builtin_constant_p (src) \
- ? ((strlen (src) + 1 >= ((size_t) (n)) \
- ? (char *) memcpy ((char *) (dest), \
- (const char *) (src), n) \
- : __strncpy_cg ((dest), (src), strlen (src) + 1, n))) \
- : __strncpy_gg ((dest), (src), n)))
-#define __strncpy_cg(dest, src, srclen, n) \
- (((srclen) % 4 == 0) \
- ? __strncpy_by4 (dest, src, srclen, n) \
- : (((srclen) % 2 == 0) \
- ? __strncpy_by2 (dest, src, srclen, n) \
- : __strncpy_byn (dest, src, srclen, n)))
-
-__STRING_INLINE char *__strncpy_by4 (char *__dest, const char __src[],
- size_t __srclen, size_t __n);
-
-__STRING_INLINE char *
-__strncpy_by4 (char *__dest, const char __src[], size_t __srclen, size_t __n)
-{
- register char *__tmp = __dest;
- register int __dummy1, __dummy2;
- __asm__ __volatile__
- ("1:\n\t"
- "movl (%2),%0\n\t"
- "leal 4(%2),%2\n\t"
- "movl %0,(%1)\n\t"
- "leal 4(%1),%1\n\t"
- "decl %3\n\t"
- "jnz 1b"
- : "=&r" (__dummy1), "=r" (__tmp), "=&r" (__src), "=&r" (__dummy2),
- "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
- : "1" (__tmp), "2" (__src), "3" (__srclen / 4),
- "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
- : "cc");
- (void) memset (__tmp, '\0', __n - __srclen);
- return __dest;
-}
-
-__STRING_INLINE char *__strncpy_by2 (char *__dest, const char __src[],
- size_t __srclen, size_t __n);
-
-__STRING_INLINE char *
-__strncpy_by2 (char *__dest, const char __src[], size_t __srclen, size_t __n)
-{
- register char *__tmp = __dest;
- register int __dummy1, __dummy2;
- __asm__ __volatile__
- ("shrl $1,%3\n\t"
- "jz 2f\n" /* only a word */
- "1:\n\t"
- "movl (%2),%0\n\t"
- "leal 4(%2),%2\n\t"
- "movl %0,(%1)\n\t"
- "leal 4(%1),%1\n\t"
- "decl %3\n\t"
- "jnz 1b\n"
- "2:\n\t"
- "movw (%2),%w0\n\t"
- "movw %w0,(%1)\n\t"
- : "=&q" (__dummy1), "=r" (__tmp), "=&r" (__src), "=&r" (__dummy2),
- "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
- : "1" (__tmp), "2" (__src), "3" (__srclen / 2),
- "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
- : "cc");
- (void) memset (__tmp + 2, '\0', __n - __srclen);
- return __dest;
-}
-
-__STRING_INLINE char *__strncpy_byn (char *__dest, const char __src[],
- size_t __srclen, size_t __n);
-
-__STRING_INLINE char *
-__strncpy_byn (char *__dest, const char __src[], size_t __srclen, size_t __n)
-{
- register unsigned long int __d0, __d1;
- register char *__tmp = __dest;
- __asm__ __volatile__
- ("cld\n\t"
- "shrl $1,%1\n\t"
- "jnc 1f\n\t"
- "movsb\n"
- "1:\n\t"
- "shrl $1,%1\n\t"
- "jnc 2f\n\t"
- "movsw\n"
- "2:\n\t"
- "rep; movsl"
- : "=D" (__tmp), "=&c" (__d0), "=&S" (__d1),
- "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
- : "1" (__srclen), "0" (__tmp),"2" (__src),
- "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
- : "cc");
- (void) memset (__tmp, '\0', __n - __srclen);
- return __dest;
-}
-
-__STRING_INLINE char *__strncpy_gg (char *__dest, const char *__src,
- size_t __n);
-
-__STRING_INLINE char *
-__strncpy_gg (char *__dest, const char *__src, size_t __n)
-{
- register char *__tmp = __dest;
- register char __dummy;
- if (__n > 0)
- __asm__ __volatile__
- ("1:\n\t"
- "movb (%0),%2\n\t"
- "incl %0\n\t"
- "movb %2,(%1)\n\t"
- "incl %1\n\t"
- "decl %3\n\t"
- "je 3f\n\t"
- "testb %2,%2\n\t"
- "jne 1b\n\t"
- "2:\n\t"
- "movb %2,(%1)\n\t"
- "incl %1\n\t"
- "decl %3\n\t"
- "jne 2b\n\t"
- "3:"
- : "=&r" (__src), "=&r" (__tmp), "=&q" (__dummy), "=&r" (__n)
- : "0" (__src), "1" (__tmp), "3" (__n)
- : "memory", "cc");
-
- return __dest;
-}
-
-
-/* Append SRC onto DEST. */
-#define _HAVE_STRING_ARCH_strcat 1
-#define strcat(dest, src) \
- (__extension__ (__builtin_constant_p (src) \
- ? __strcat_c ((dest), (src), strlen (src) + 1) \
- : __strcat_g ((dest), (src))))
-
-__STRING_INLINE char *__strcat_c (char *__dest, const char __src[],
- size_t __srclen);
-
-__STRING_INLINE char *
-__strcat_c (char *__dest, const char __src[], size_t __srclen)
-{
-#ifdef __i686__
- register unsigned long int __d0;
- register char *__tmp;
- __asm__ __volatile__
- ("repne; scasb"
- : "=D" (__tmp), "=&c" (__d0),
- "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
- : "0" (__dest), "1" (0xffffffff), "a" (0),
- "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
- : "cc");
- --__tmp;
-#else
- register char *__tmp = __dest - 1;
- __asm__ __volatile__
- ("1:\n\t"
- "incl %0\n\t"
- "cmpb $0,(%0)\n\t"
- "jne 1b\n"
- : "=r" (__tmp),
- "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
- : "0" (__tmp),
- "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
- : "cc");
-#endif
- (void) memcpy (__tmp, __src, __srclen);
- return __dest;
-}
-
-__STRING_INLINE char *__strcat_g (char *__dest, const char *__src);
-
-__STRING_INLINE char *
-__strcat_g (char *__dest, const char *__src)
-{
- register char *__tmp = __dest - 1;
- register char __dummy;
- __asm__ __volatile__
- ("1:\n\t"
- "incl %1\n\t"
- "cmpb $0,(%1)\n\t"
- "jne 1b\n"
- "2:\n\t"
- "movb (%2),%b0\n\t"
- "incl %2\n\t"
- "movb %b0,(%1)\n\t"
- "incl %1\n\t"
- "testb %b0,%b0\n\t"
- "jne 2b\n"
- : "=&q" (__dummy), "=&r" (__tmp), "=&r" (__src),
- "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
- : "1" (__tmp), "2" (__src),
- "m" ( *(struct { char __x[0xfffffff]; } *)__src)
- : "memory", "cc");
- return __dest;
-}
-
-
-/* Append no more than N characters from SRC onto DEST. */
-#define _HAVE_STRING_ARCH_strncat 1
-#define strncat(dest, src, n) \
- (__extension__ ({ char *__dest = (dest); \
- __builtin_constant_p (src) && __builtin_constant_p (n) \
- ? (strlen (src) < ((size_t) (n)) \
- ? strcat (__dest, (src)) \
- : (*(char *)__mempcpy (strchr (__dest, '\0'), \
- (const char *) (src), \
- (n)) = 0, __dest)) \
- : __strncat_g (__dest, (src), (n)); }))
-
-__STRING_INLINE char *__strncat_g (char *__dest, const char __src[],
- size_t __n);
-
-__STRING_INLINE char *
-__strncat_g (char *__dest, const char __src[], size_t __n)
-{
- register char *__tmp = __dest;
- register char __dummy;
-#ifdef __i686__
- __asm__ __volatile__
- ("repne; scasb\n"
- "movl %4, %3\n\t"
- "decl %1\n\t"
- "1:\n\t"
- "subl $1,%3\n\t"
- "jc 2f\n\t"
- "movb (%2),%b0\n\t"
- "movsb\n\t"
- "testb %b0,%b0\n\t"
- "jne 1b\n\t"
- "decl %1\n"
- "2:\n\t"
- "movb $0,(%1)"
- : "=&a" (__dummy), "=&D" (__tmp), "=&S" (__src), "=&c" (__n)
- : "g" (__n), "0" (0), "1" (__tmp), "2" (__src), "3" (0xffffffff)
- : "memory", "cc");
-#else
- --__tmp;
- __asm__ __volatile__
- ("1:\n\t"
- "cmpb $0,1(%1)\n\t"
- "leal 1(%1),%1\n\t"
- "jne 1b\n"
- "2:\n\t"
- "subl $1,%3\n\t"
- "jc 3f\n\t"
- "movb (%2),%b0\n\t"
- "leal 1(%2),%2\n\t"
- "movb %b0,(%1)\n\t"
- "leal 1(%1),%1\n\t"
- "testb %b0,%b0\n\t"
- "jne 2b\n\t"
- "decl %1\n"
- "3:\n\t"
- "movb $0,(%1)"
- : "=&q" (__dummy), "=&r" (__tmp), "=&r" (__src), "=&r" (__n)
- : "1" (__tmp), "2" (__src), "3" (__n)
- : "memory", "cc");
-#endif
- return __dest;
-}
-
-
-/* Compare S1 and S2. */
-#define _HAVE_STRING_ARCH_strcmp 1
-#define strcmp(s1, s2) \
- (__extension__ (__builtin_constant_p (s1) && __builtin_constant_p (s2) \
- && (sizeof ((s1)[0]) != 1 || strlen (s1) >= 4) \
- && (sizeof ((s2)[0]) != 1 || strlen (s2) >= 4) \
- ? memcmp ((const char *) (s1), (const char *) (s2), \
- (strlen (s1) < strlen (s2) \
- ? strlen (s1) : strlen (s2)) + 1) \
- : (__builtin_constant_p (s1) && sizeof ((s1)[0]) == 1 \
- && sizeof ((s2)[0]) == 1 && strlen (s1) < 4 \
- ? (__builtin_constant_p (s2) && sizeof ((s2)[0]) == 1 \
- ? __strcmp_cc ((const unsigned char *) (s1), \
- (const unsigned char *) (s2), \
- strlen (s1)) \
- : __strcmp_cg ((const unsigned char *) (s1), \
- (const unsigned char *) (s2), \
- strlen (s1))) \
- : (__builtin_constant_p (s2) && sizeof ((s1)[0]) == 1 \
- && sizeof ((s2)[0]) == 1 && strlen (s2) < 4 \
- ? (__builtin_constant_p (s1) \
- ? __strcmp_cc ((const unsigned char *) (s1), \
- (const unsigned char *) (s2), \
- strlen (s2)) \
- : __strcmp_gc ((const unsigned char *) (s1), \
- (const unsigned char *) (s2), \
- strlen (s2))) \
- : __strcmp_gg ((s1), (s2))))))
-
-#define __strcmp_cc(s1, s2, l) \
- (__extension__ ({ register int __result = (s1)[0] - (s2)[0]; \
- if (l > 0 && __result == 0) \
- { \
- __result = (s1)[1] - (s2)[1]; \
- if (l > 1 && __result == 0) \
- { \
- __result = (s1)[2] - (s2)[2]; \
- if (l > 2 && __result == 0) \
- __result = (s1)[3] - (s2)[3]; \
- } \
- } \
- __result; }))
-
-#define __strcmp_cg(s1, s2, l1) \
- (__extension__ ({ const unsigned char *__s2 = (s2); \
- register int __result = (s1)[0] - __s2[0]; \
- if (l1 > 0 && __result == 0) \
- { \
- __result = (s1)[1] - __s2[1]; \
- if (l1 > 1 && __result == 0) \
- { \
- __result = (s1)[2] - __s2[2]; \
- if (l1 > 2 && __result == 0) \
- __result = (s1)[3] - __s2[3]; \
- } \
- } \
- __result; }))
-
-#define __strcmp_gc(s1, s2, l2) \
- (__extension__ ({ const unsigned char *__s1 = (s1); \
- register int __result = __s1[0] - (s2)[0]; \
- if (l2 > 0 && __result == 0) \
- { \
- __result = __s1[1] - (s2)[1]; \
- if (l2 > 1 && __result == 0) \
- { \
- __result = __s1[2] - (s2)[2]; \
- if (l2 > 2 && __result == 0) \
- __result = __s1[3] - (s2)[3]; \
- } \
- } \
- __result; }))
-
-__STRING_INLINE int __strcmp_gg (const char *__s1, const char *__s2);
-
-__STRING_INLINE int
-__strcmp_gg (const char *__s1, const char *__s2)
-{
- register int __res;
- __asm__ __volatile__
- ("1:\n\t"
- "movb (%1),%b0\n\t"
- "leal 1(%1),%1\n\t"
- "cmpb %b0,(%2)\n\t"
- "jne 2f\n\t"
- "leal 1(%2),%2\n\t"
- "testb %b0,%b0\n\t"
- "jne 1b\n\t"
- "xorl %0,%0\n\t"
- "jmp 3f\n"
- "2:\n\t"
- "movl $1,%0\n\t"
- "jb 3f\n\t"
- "negl %0\n"
- "3:"
- : "=q" (__res), "=&r" (__s1), "=&r" (__s2)
- : "1" (__s1), "2" (__s2),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s1),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s2)
- : "cc");
- return __res;
-}
-
-
-/* Compare N characters of S1 and S2. */
-#define _HAVE_STRING_ARCH_strncmp 1
-#define strncmp(s1, s2, n) \
- (__extension__ (__builtin_constant_p (s1) && strlen (s1) < ((size_t) (n)) \
- ? strcmp ((s1), (s2)) \
- : (__builtin_constant_p (s2) && strlen (s2) < ((size_t) (n))\
- ? strcmp ((s1), (s2)) \
- : __strncmp_g ((s1), (s2), (n)))))
-
-__STRING_INLINE int __strncmp_g (const char *__s1, const char *__s2,
- size_t __n);
-
-__STRING_INLINE int
-__strncmp_g (const char *__s1, const char *__s2, size_t __n)
-{
- register int __res;
- __asm__ __volatile__
- ("1:\n\t"
- "subl $1,%3\n\t"
- "jc 2f\n\t"
- "movb (%1),%b0\n\t"
- "incl %1\n\t"
- "cmpb %b0,(%2)\n\t"
- "jne 3f\n\t"
- "incl %2\n\t"
- "testb %b0,%b0\n\t"
- "jne 1b\n"
- "2:\n\t"
- "xorl %0,%0\n\t"
- "jmp 4f\n"
- "3:\n\t"
- "movl $1,%0\n\t"
- "jb 4f\n\t"
- "negl %0\n"
- "4:"
- : "=q" (__res), "=&r" (__s1), "=&r" (__s2), "=&r" (__n)
- : "1" (__s1), "2" (__s2), "3" (__n),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s1),
- "m" ( *(struct { __extension__ char __x[__n]; } *)__s2)
- : "cc");
- return __res;
-}
-
-
-/* Find the first occurrence of C in S. */
-#define _HAVE_STRING_ARCH_strchr 1
-#define _USE_STRING_ARCH_strchr 1
-#define strchr(s, c) \
- (__extension__ (__builtin_constant_p (c) \
- ? ((c) == '\0' \
- ? (char *) __rawmemchr ((s), (c)) \
- : __strchr_c ((s), ((c) & 0xff) << 8)) \
- : __strchr_g ((s), (c))))
-
-__STRING_INLINE char *__strchr_c (const char *__s, int __c);
-
-__STRING_INLINE char *
-__strchr_c (const char *__s, int __c)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("1:\n\t"
- "movb (%0),%%al\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "leal 1(%0),%0\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "xorl %0,%0\n"
- "2:"
- : "=r" (__res), "=&a" (__d0)
- : "0" (__s), "1" (__c),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res;
-}
-
-__STRING_INLINE char *__strchr_g (const char *__s, int __c);
-
-__STRING_INLINE char *
-__strchr_g (const char *__s, int __c)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("movb %%al,%%ah\n"
- "1:\n\t"
- "movb (%0),%%al\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "leal 1(%0),%0\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "xorl %0,%0\n"
- "2:"
- : "=r" (__res), "=&a" (__d0)
- : "0" (__s), "1" (__c),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res;
-}
-
-
-/* Find the first occurrence of C in S or the final NUL byte. */
-#define _HAVE_STRING_ARCH_strchrnul 1
-#define __strchrnul(s, c) \
- (__extension__ (__builtin_constant_p (c) \
- ? ((c) == '\0' \
- ? (char *) __rawmemchr ((s), c) \
- : __strchrnul_c ((s), ((c) & 0xff) << 8)) \
- : __strchrnul_g ((s), c)))
-
-__STRING_INLINE char *__strchrnul_c (const char *__s, int __c);
-
-__STRING_INLINE char *
-__strchrnul_c (const char *__s, int __c)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("1:\n\t"
- "movb (%0),%%al\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "leal 1(%0),%0\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "decl %0\n"
- "2:"
- : "=r" (__res), "=&a" (__d0)
- : "0" (__s), "1" (__c),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res;
-}
-
-__STRING_INLINE char *__strchrnul_g (const char *__s, int __c);
-
-__STRING_INLINE char *
-__strchrnul_g (const char *__s, int __c)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("movb %%al,%%ah\n"
- "1:\n\t"
- "movb (%0),%%al\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "leal 1(%0),%0\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n\t"
- "decl %0\n"
- "2:"
- : "=r" (__res), "=&a" (__d0)
- : "0" (__s), "1" (__c),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res;
-}
-#ifdef __USE_GNU
-# define strchrnul(s, c) __strchrnul ((s), (c))
-#endif
-
-
-#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
-/* Find the first occurrence of C in S. This is the BSD name. */
-# define _HAVE_STRING_ARCH_index 1
-# define index(s, c) \
- (__extension__ (__builtin_constant_p (c) \
- ? __strchr_c ((s), ((c) & 0xff) << 8) \
- : __strchr_g ((s), (c))))
-#endif
-
-
-/* Find the last occurrence of C in S. */
-#define _HAVE_STRING_ARCH_strrchr 1
-#define strrchr(s, c) \
- (__extension__ (__builtin_constant_p (c) \
- ? __strrchr_c ((s), ((c) & 0xff) << 8) \
- : __strrchr_g ((s), (c))))
-
-#ifdef __i686__
-__STRING_INLINE char *__strrchr_c (const char *__s, int __c);
-
-__STRING_INLINE char *
-__strrchr_c (const char *__s, int __c)
-{
- register unsigned long int __d0, __d1;
- register char *__res;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "lodsb\n\t"
- "cmpb %h2,%b2\n\t"
- "cmove %1,%0\n\t"
- "testb %b2,%b2\n\t"
- "jne 1b"
- : "=d" (__res), "=&S" (__d0), "=&a" (__d1)
- : "0" (1), "1" (__s), "2" (__c),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res - 1;
-}
-
-__STRING_INLINE char *__strrchr_g (const char *__s, int __c);
-
-__STRING_INLINE char *
-__strrchr_g (const char *__s, int __c)
-{
- register unsigned long int __d0, __d1;
- register char *__res;
- __asm__ __volatile__
- ("movb %b2,%h2\n"
- "cld\n\t"
- "1:\n\t"
- "lodsb\n\t"
- "cmpb %h2,%b2\n\t"
- "cmove %1,%0\n\t"
- "testb %b2,%b2\n\t"
- "jne 1b"
- : "=d" (__res), "=&S" (__d0), "=&a" (__d1)
- : "0" (1), "1" (__s), "2" (__c),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res - 1;
-}
-#else
-__STRING_INLINE char *__strrchr_c (const char *__s, int __c);
-
-__STRING_INLINE char *
-__strrchr_c (const char *__s, int __c)
-{
- register unsigned long int __d0, __d1;
- register char *__res;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "lodsb\n\t"
- "cmpb %%ah,%%al\n\t"
- "jne 2f\n\t"
- "leal -1(%%esi),%0\n"
- "2:\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b"
- : "=d" (__res), "=&S" (__d0), "=&a" (__d1)
- : "0" (0), "1" (__s), "2" (__c),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res;
-}
-
-__STRING_INLINE char *__strrchr_g (const char *__s, int __c);
-
-__STRING_INLINE char *
-__strrchr_g (const char *__s, int __c)
-{
- register unsigned long int __d0, __d1;
- register char *__res;
- __asm__ __volatile__
- ("movb %%al,%%ah\n"
- "cld\n\t"
- "1:\n\t"
- "lodsb\n\t"
- "cmpb %%ah,%%al\n\t"
- "jne 2f\n\t"
- "leal -1(%%esi),%0\n"
- "2:\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b"
- : "=r" (__res), "=&S" (__d0), "=&a" (__d1)
- : "0" (0), "1" (__s), "2" (__c),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return __res;
-}
-#endif
-
-
-#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
-/* Find the last occurrence of C in S. This is the BSD name. */
-# define _HAVE_STRING_ARCH_rindex 1
-# define rindex(s, c) \
- (__extension__ (__builtin_constant_p (c) \
- ? __strrchr_c ((s), ((c) & 0xff) << 8) \
- : __strrchr_g ((s), (c))))
-#endif
-
-
-/* Return the length of the initial segment of S which
- consists entirely of characters not in REJECT. */
-#define _HAVE_STRING_ARCH_strcspn 1
-#define strcspn(s, reject) \
- (__extension__ (__builtin_constant_p (reject) && sizeof ((reject)[0]) == 1 \
- ? ((reject)[0] == '\0' \
- ? strlen (s) \
- : ((reject)[1] == '\0' \
- ? __strcspn_c1 ((s), (((reject)[0] << 8) & 0xff00)) \
- : __strcspn_cg ((s), (reject), strlen (reject)))) \
- : __strcspn_g ((s), (reject))))
-
-__STRING_INLINE size_t __strcspn_c1 (const char *__s, int __reject);
-
-#ifndef _FORCE_INLINES
-__STRING_INLINE size_t
-__strcspn_c1 (const char *__s, int __reject)
-{
- register unsigned long int __d0;
- register char *__res;
- __asm__ __volatile__
- ("1:\n\t"
- "movb (%0),%%al\n\t"
- "leal 1(%0),%0\n\t"
- "cmpb %%ah,%%al\n\t"
- "je 2f\n\t"
- "testb %%al,%%al\n\t"
- "jne 1b\n"
- "2:"
- : "=r" (__res), "=&a" (__d0)
- : "0" (__s), "1" (__reject),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return (__res - 1) - __s;
-}
-#endif
-
-__STRING_INLINE size_t __strcspn_cg (const char *__s, const char __reject[],
- size_t __reject_len);
-
-__STRING_INLINE size_t
-__strcspn_cg (const char *__s, const char __reject[], size_t __reject_len)
-{
- register unsigned long int __d0, __d1, __d2;
- register const char *__res;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %5,%%edi\n\t"
- "movl %6,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n"
- "2:"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "0" (__s), "d" (__reject), "g" (__reject_len)
- : "memory", "cc");
- return (__res - 1) - __s;
-}
-
-__STRING_INLINE size_t __strcspn_g (const char *__s, const char *__reject);
-#ifdef __PIC__
-
-__STRING_INLINE size_t
-__strcspn_g (const char *__s, const char *__reject)
-{
- register unsigned long int __d0, __d1, __d2;
- register const char *__res;
- __asm__ __volatile__
- ("pushl %%ebx\n\t"
- "movl %4,%%edi\n\t"
- "cld\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "leal -1(%%ecx),%%ebx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %4,%%edi\n\t"
- "movl %%ebx,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n"
- "2:\n\t"
- "popl %%ebx"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "r" (__reject), "0" (__s), "1" (0), "2" (0xffffffff)
- : "memory", "cc");
- return (__res - 1) - __s;
-}
-#else
-__STRING_INLINE size_t
-__strcspn_g (const char *__s, const char *__reject)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- register const char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "leal -1(%%ecx),%%edx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %%ebx,%%edi\n\t"
- "movl %%edx,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n"
- "2:"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2), "=&d" (__d3)
- : "0" (__s), "1" (0), "2" (0xffffffff), "3" (__reject), "b" (__reject)
- /* Clobber memory, otherwise GCC cannot handle this. */
- : "memory", "cc");
- return (__res - 1) - __s;
-}
-#endif
-
-
-/* Return the length of the initial segment of S which
- consists entirely of characters in ACCEPT. */
-#define _HAVE_STRING_ARCH_strspn 1
-#define strspn(s, accept) \
- (__extension__ (__builtin_constant_p (accept) && sizeof ((accept)[0]) == 1 \
- ? ((accept)[0] == '\0' \
- ? ((void) (s), 0) \
- : ((accept)[1] == '\0' \
- ? __strspn_c1 ((s), (((accept)[0] << 8 ) & 0xff00)) \
- : __strspn_cg ((s), (accept), strlen (accept)))) \
- : __strspn_g ((s), (accept))))
-
-#ifndef _FORCE_INLINES
-__STRING_INLINE size_t __strspn_c1 (const char *__s, int __accept);
-
-__STRING_INLINE size_t
-__strspn_c1 (const char *__s, int __accept)
-{
- register unsigned long int __d0;
- register char *__res;
- /* Please note that __accept never can be '\0'. */
- __asm__ __volatile__
- ("1:\n\t"
- "movb (%0),%b1\n\t"
- "leal 1(%0),%0\n\t"
- "cmpb %h1,%b1\n\t"
- "je 1b"
- : "=r" (__res), "=&q" (__d0)
- : "0" (__s), "1" (__accept),
- "m" ( *(struct { char __x[0xfffffff]; } *)__s)
- : "cc");
- return (__res - 1) - __s;
-}
-#endif
-
-__STRING_INLINE size_t __strspn_cg (const char *__s, const char __accept[],
- size_t __accept_len);
-
-__STRING_INLINE size_t
-__strspn_cg (const char *__s, const char __accept[], size_t __accept_len)
-{
- register unsigned long int __d0, __d1, __d2;
- register const char *__res;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %5,%%edi\n\t"
- "movl %6,%%ecx\n\t"
- "repne; scasb\n\t"
- "je 1b\n"
- "2:"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "0" (__s), "g" (__accept), "g" (__accept_len),
- /* Since we do not know how large the memory we access it, use a
- really large amount. */
- "m" ( *(struct { char __x[0xfffffff]; } *)__s),
- "m" ( *(struct { __extension__ char __x[__accept_len]; } *)__accept)
- : "cc");
- return (__res - 1) - __s;
-}
-
-__STRING_INLINE size_t __strspn_g (const char *__s, const char *__accept);
-#ifdef __PIC__
-
-__STRING_INLINE size_t
-__strspn_g (const char *__s, const char *__accept)
-{
- register unsigned long int __d0, __d1, __d2;
- register const char *__res;
- __asm__ __volatile__
- ("pushl %%ebx\n\t"
- "cld\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "leal -1(%%ecx),%%ebx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %%edx,%%edi\n\t"
- "movl %%ebx,%%ecx\n\t"
- "repne; scasb\n\t"
- "je 1b\n"
- "2:\n\t"
- "popl %%ebx"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "d" (__accept), "0" (__s), "1" (0), "2" (0xffffffff), "3" (__accept)
- : "memory", "cc");
- return (__res - 1) - __s;
-}
-#else
-__STRING_INLINE size_t
-__strspn_g (const char *__s, const char *__accept)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- register const char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "leal -1(%%ecx),%%edx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %%ebx,%%edi\n\t"
- "movl %%edx,%%ecx\n\t"
- "repne; scasb\n\t"
- "je 1b\n"
- "2:"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2), "=&d" (__d3)
- : "0" (__s), "1" (0), "2" (0xffffffff), "3" (__accept), "b" (__accept)
- : "memory", "cc");
- return (__res - 1) - __s;
-}
-#endif
-
-
-/* Find the first occurrence in S of any character in ACCEPT. */
-#define _HAVE_STRING_ARCH_strpbrk 1
-#define strpbrk(s, accept) \
- (__extension__ (__builtin_constant_p (accept) && sizeof ((accept)[0]) == 1 \
- ? ((accept)[0] == '\0' \
- ? ((void) (s), (char *) 0) \
- : ((accept)[1] == '\0' \
- ? strchr ((s), (accept)[0]) \
- : __strpbrk_cg ((s), (accept), strlen (accept)))) \
- : __strpbrk_g ((s), (accept))))
-
-__STRING_INLINE char *__strpbrk_cg (const char *__s, const char __accept[],
- size_t __accept_len);
-
-__STRING_INLINE char *
-__strpbrk_cg (const char *__s, const char __accept[], size_t __accept_len)
-{
- register unsigned long int __d0, __d1, __d2;
- register char *__res;
- __asm__ __volatile__
- ("cld\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %5,%%edi\n\t"
- "movl %6,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n\t"
- "decl %0\n\t"
- "jmp 3f\n"
- "2:\n\t"
- "xorl %0,%0\n"
- "3:"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "0" (__s), "d" (__accept), "g" (__accept_len)
- : "memory", "cc");
- return __res;
-}
-
-__STRING_INLINE char *__strpbrk_g (const char *__s, const char *__accept);
-#ifdef __PIC__
-
-__STRING_INLINE char *
-__strpbrk_g (const char *__s, const char *__accept)
-{
- register unsigned long int __d0, __d1, __d2;
- register char *__res;
- __asm__ __volatile__
- ("pushl %%ebx\n\t"
- "movl %%edx,%%edi\n\t"
- "cld\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "leal -1(%%ecx),%%ebx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %%edx,%%edi\n\t"
- "movl %%ebx,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n\t"
- "decl %0\n\t"
- "jmp 3f\n"
- "2:\n\t"
- "xorl %0,%0\n"
- "3:\n\t"
- "popl %%ebx"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
- : "d" (__accept), "0" (__s), "1" (0), "2" (0xffffffff)
- : "memory", "cc");
- return __res;
-}
-#else
-__STRING_INLINE char *
-__strpbrk_g (const char *__s, const char *__accept)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- register char *__res;
- __asm__ __volatile__
- ("movl %%ebx,%%edi\n\t"
- "cld\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "leal -1(%%ecx),%%edx\n"
- "1:\n\t"
- "lodsb\n\t"
- "testb %%al,%%al\n\t"
- "je 2f\n\t"
- "movl %%ebx,%%edi\n\t"
- "movl %%edx,%%ecx\n\t"
- "repne; scasb\n\t"
- "jne 1b\n\t"
- "decl %0\n\t"
- "jmp 3f\n"
- "2:\n\t"
- "xorl %0,%0\n"
- "3:"
- : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3)
- : "0" (__s), "1" (0), "2" (0xffffffff), "b" (__accept)
- : "memory", "cc");
- return __res;
-}
-#endif
-
-
-/* Find the first occurrence of NEEDLE in HAYSTACK. */
-#define _HAVE_STRING_ARCH_strstr 1
-#define strstr(haystack, needle) \
- (__extension__ (__builtin_constant_p (needle) && sizeof ((needle)[0]) == 1 \
- ? ((needle)[0] == '\0' \
- ? (haystack) \
- : ((needle)[1] == '\0' \
- ? strchr ((haystack), (needle)[0]) \
- : __strstr_cg ((haystack), (needle), \
- strlen (needle)))) \
- : __strstr_g ((haystack), (needle))))
-
-/* Please note that this function need not handle NEEDLEs with a
- length shorter than two. */
-__STRING_INLINE char *__strstr_cg (const char *__haystack,
- const char __needle[],
- size_t __needle_len);
-
-__STRING_INLINE char *
-__strstr_cg (const char *__haystack, const char __needle[],
- size_t __needle_len)
-{
- register unsigned long int __d0, __d1, __d2;
- register char *__res;
- __asm__ __volatile__
- ("cld\n" \
- "1:\n\t"
- "movl %6,%%edi\n\t"
- "movl %5,%%eax\n\t"
- "movl %4,%%ecx\n\t"
- "repe; cmpsb\n\t"
- "je 2f\n\t"
- "cmpb $0,-1(%%esi)\n\t"
- "leal 1(%%eax),%5\n\t"
- "jne 1b\n\t"
- "xorl %%eax,%%eax\n"
- "2:"
- : "=&a" (__res), "=&S" (__d0), "=&D" (__d1), "=&c" (__d2)
- : "g" (__needle_len), "1" (__haystack), "d" (__needle)
- : "memory", "cc");
- return __res;
-}
-
-__STRING_INLINE char *__strstr_g (const char *__haystack,
- const char *__needle);
-#ifdef __PIC__
-
-__STRING_INLINE char *
-__strstr_g (const char *__haystack, const char *__needle)
-{
- register unsigned long int __d0, __d1, __d2;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "pushl %%ebx\n\t"
- "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
- "movl %%ecx,%%ebx\n"
- "1:\n\t"
- "movl %%edx,%%edi\n\t"
- "movl %%esi,%%eax\n\t"
- "movl %%ebx,%%ecx\n\t"
- "repe; cmpsb\n\t"
- "je 2f\n\t" /* also works for empty string, see above */
- "cmpb $0,-1(%%esi)\n\t"
- "leal 1(%%eax),%%esi\n\t"
- "jne 1b\n\t"
- "xorl %%eax,%%eax\n"
- "2:\n\t"
- "popl %%ebx"
- : "=&a" (__res), "=&c" (__d0), "=&S" (__d1), "=&D" (__d2)
- : "0" (0), "1" (0xffffffff), "2" (__haystack), "3" (__needle),
- "d" (__needle)
- : "memory", "cc");
- return __res;
-}
-#else
-__STRING_INLINE char *
-__strstr_g (const char *__haystack, const char *__needle)
-{
- register unsigned long int __d0, __d1, __d2, __d3;
- register char *__res;
- __asm__ __volatile__
- ("cld\n\t"
- "repne; scasb\n\t"
- "notl %%ecx\n\t"
- "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
- "movl %%ecx,%%edx\n"
- "1:\n\t"
- "movl %%ebx,%%edi\n\t"
- "movl %%esi,%%eax\n\t"
- "movl %%edx,%%ecx\n\t"
- "repe; cmpsb\n\t"
- "je 2f\n\t" /* also works for empty string, see above */
- "cmpb $0,-1(%%esi)\n\t"
- "leal 1(%%eax),%%esi\n\t"
- "jne 1b\n\t"
- "xorl %%eax,%%eax\n"
- "2:"
- : "=&a" (__res), "=&c" (__d0), "=&S" (__d1), "=&D" (__d2), "=&d" (__d3)
- : "0" (0), "1" (0xffffffff), "2" (__haystack), "3" (__needle),
- "b" (__needle)
- : "memory", "cc");
- return __res;
-}
-#endif
-
-
-/* Bit find functions. We define only the i686 version since for the other
- processors gcc generates good code. */
-#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
-# ifdef __i686__
-# define _HAVE_STRING_ARCH_ffs 1
-# define ffs(word) (__builtin_constant_p (word) \
- ? __builtin_ffs (word) \
- : ({ int __cnt, __tmp; \
- __asm__ __volatile__ \
- ("bsfl %2,%0\n\t" \
- "cmovel %1,%0" \
- : "=&r" (__cnt), "=r" (__tmp) \
- : "rm" (word), "1" (-1)); \
- __cnt + 1; }))
-
-# ifndef ffsl
-# define ffsl(word) ffs(word)
-# endif
-# endif /* i686 */
-#endif /* BSD || X/Open */
-
-#ifndef _FORCE_INLINES
-# undef __STRING_INLINE
-#endif
-
-#endif /* use string inlines && GNU CC */
diff --git a/sysdeps/x86/bits/string.h b/sysdeps/x86/bits/string.h
index 0ca5fe2..e7ee1cc 100644
--- a/sysdeps/x86/bits/string.h
+++ b/sysdeps/x86/bits/string.h
@@ -1,5 +1,5 @@
-/* Optimized, inlined string functions. AMD x86-64 version.
- Copyright (C) 2001 Free Software Foundation, Inc.
+/* Optimized, inlined string functions. i486/x86-64 version.
+ Copyright (C) 2001-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -23,3 +23,1962 @@
/* Currently the only purpose of this file is to tell the generic inline
macros that unaligned memory access is possible for x86-64. */
#define _STRING_ARCH_unaligned 1
+
+#if !defined __x86_64__ && (defined __i486__ || defined __pentium__ \
+ || defined __pentiumpro__ || defined __pentium4__ \
+ || defined __nocona__ || defined __atom__ \
+ || defined __core2__ || defined __corei7__ \
+ || defined __k6__ || defined __geode__ \
+ || defined __k8__ || defined __athlon__ \
+ || defined __amdfam10__)
+
+/* We only provide optimizations if the user selects them and if
+ GNU CC is used. */
+# if !defined __NO_STRING_INLINES && defined __USE_STRING_INLINES \
+ && defined __GNUC__ && __GNUC__ >= 2 && !__BOUNDED_POINTERS__
+
+# ifndef __STRING_INLINE
+# ifndef __extern_inline
+# define __STRING_INLINE inline
+# else
+# define __STRING_INLINE __extern_inline
+# endif
+# endif
+
+/* The macros are used in some of the optimized implementations below. */
+# define __STRING_SMALL_GET16(src, idx) \
+ ((((const unsigned char *) (src))[idx + 1] << 8) \
+ | ((const unsigned char *) (src))[idx])
+# define __STRING_SMALL_GET32(src, idx) \
+ (((((const unsigned char *) (src))[idx + 3] << 8 \
+ | ((const unsigned char *) (src))[idx + 2]) << 8 \
+ | ((const unsigned char *) (src))[idx + 1]) << 8 \
+ | ((const unsigned char *) (src))[idx])
+
+
+/* Copy N bytes of SRC to DEST. */
+# define _HAVE_STRING_ARCH_memcpy 1
+# define memcpy(dest, src, n) \
+ (__extension__ (__builtin_constant_p (n) \
+ ? __memcpy_c ((dest), (src), (n)) \
+ : __memcpy_g ((dest), (src), (n))))
+# define __memcpy_c(dest, src, n) \
+ ((n) == 0 \
+ ? (dest) \
+ : (((n) % 4 == 0) \
+ ? __memcpy_by4 (dest, src, n) \
+ : (((n) % 2 == 0) \
+ ? __memcpy_by2 (dest, src, n) \
+ : __memcpy_g (dest, src, n))))
+
+__STRING_INLINE void *__memcpy_by4 (void *__dest, const void *__src,
+ size_t __n);
+
+__STRING_INLINE void *
+__memcpy_by4 (void *__dest, const void *__src, size_t __n)
+{
+ register unsigned long int __d0, __d1;
+ register void *__tmp = __dest;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b"
+ : "=&r" (__d0), "=&r" (__tmp), "=&r" (__src), "=&r" (__d1)
+ : "1" (__tmp), "2" (__src), "3" (__n / 4)
+ : "memory", "cc");
+ return __dest;
+}
+
+__STRING_INLINE void *__memcpy_by2 (void *__dest, const void *__src,
+ size_t __n);
+
+__STRING_INLINE void *
+__memcpy_by2 (void *__dest, const void *__src, size_t __n)
+{
+ register unsigned long int __d0, __d1;
+ register void *__tmp = __dest;
+ __asm__ __volatile__
+ ("shrl $1,%3\n\t"
+ "jz 2f\n" /* only a word */
+ "1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b\n"
+ "2:\n\t"
+ "movw (%2),%w0\n\t"
+ "movw %w0,(%1)"
+ : "=&q" (__d0), "=&r" (__tmp), "=&r" (__src), "=&r" (__d1)
+ : "1" (__tmp), "2" (__src), "3" (__n / 2)
+ : "memory", "cc");
+ return __dest;
+}
+
+__STRING_INLINE void *__memcpy_g (void *__dest, const void *__src, size_t __n);
+
+__STRING_INLINE void *
+__memcpy_g (void *__dest, const void *__src, size_t __n)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register void *__tmp = __dest;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "shrl $1,%%ecx\n\t"
+ "jnc 1f\n\t"
+ "movsb\n"
+ "1:\n\t"
+ "shrl $1,%%ecx\n\t"
+ "jnc 2f\n\t"
+ "movsw\n"
+ "2:\n\t"
+ "rep; movsl"
+ : "=&c" (__d0), "=&D" (__d1), "=&S" (__d2),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__dest)
+ : "0" (__n), "1" (__tmp), "2" (__src),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__src)
+ : "cc");
+ return __dest;
+}
+
+# define _HAVE_STRING_ARCH_memmove 1
+# ifndef _FORCE_INLINES
+/* Copy N bytes of SRC to DEST, guaranteeing
+ correct behavior for overlapping strings. */
+# define memmove(dest, src, n) __memmove_g (dest, src, n)
+
+__STRING_INLINE void *__memmove_g (void *, const void *, size_t)
+ __asm__ ("memmove");
+
+__STRING_INLINE void *
+__memmove_g (void *__dest, const void *__src, size_t __n)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register void *__tmp = __dest;
+ if (__dest < __src)
+ __asm__ __volatile__
+ ("cld\n\t"
+ "rep; movsb"
+ : "=&c" (__d0), "=&S" (__d1), "=&D" (__d2),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__dest)
+ : "0" (__n), "1" (__src), "2" (__tmp),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__src));
+ else
+ __asm__ __volatile__
+ ("std\n\t"
+ "rep; movsb\n\t"
+ "cld"
+ : "=&c" (__d0), "=&S" (__d1), "=&D" (__d2),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__dest)
+ : "0" (__n), "1" (__n - 1 + (const char *) __src),
+ "2" (__n - 1 + (char *) __tmp),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__src));
+ return __dest;
+}
+# endif
+
+/* Compare N bytes of S1 and S2. */
+# define _HAVE_STRING_ARCH_memcmp 1
+# ifndef _FORCE_INLINES
+# ifndef __PIC__
+/* gcc has problems to spill registers when using PIC. */
+__STRING_INLINE int
+memcmp (const void *__s1, const void *__s2, size_t __n)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register int __res;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "testl %3,%3\n\t"
+ "repe; cmpsb\n\t"
+ "je 1f\n\t"
+ "sbbl %0,%0\n\t"
+ "orl $1,%0\n"
+ "1:"
+ : "=&a" (__res), "=&S" (__d0), "=&D" (__d1), "=&c" (__d2)
+ : "0" (0), "1" (__s1), "2" (__s2), "3" (__n),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__s1),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__s2)
+ : "cc");
+ return __res;
+}
+# endif
+# endif
+
+/* Set N bytes of S to C. */
+# define _HAVE_STRING_ARCH_memset 1
+# define _USE_STRING_ARCH_memset 1
+# define memset(s, c, n) \
+ (__extension__ (__builtin_constant_p (n) && (n) <= 16 \
+ ? ((n) == 1 \
+ ? __memset_c1 ((s), (c)) \
+ : __memset_gc ((s), (c), (n))) \
+ : (__builtin_constant_p (c) \
+ ? (__builtin_constant_p (n) \
+ ? __memset_ccn ((s), (c), (n)) \
+ : memset ((s), (c), (n))) \
+ : (__builtin_constant_p (n) \
+ ? __memset_gcn ((s), (c), (n)) \
+ : memset ((s), (c), (n))))))
+
+# define __memset_c1(s, c) ({ void *__s = (s); \
+ *((unsigned char *) __s) = (unsigned char) (c); \
+ __s; })
+
+# define __memset_gc(s, c, n) \
+ ({ void *__s = (s); \
+ union { \
+ unsigned int __ui; \
+ unsigned short int __usi; \
+ unsigned char __uc; \
+ } *__u = __s; \
+ unsigned int __c = ((unsigned int) ((unsigned char) (c))) * 0x01010101; \
+ \
+ /* We apply a trick here. `gcc' would implement the following \
+ assignments using immediate operands. But this uses to much \
+ memory (7, instead of 4 bytes). So we force the value in a \
+ registers. */ \
+ if ((n) == 3 || (n) >= 5) \
+ __asm__ __volatile__ ("" : "=r" (__c) : "0" (__c)); \
+ \
+ /* This `switch' statement will be removed at compile-time. */ \
+ switch (n) \
+ { \
+ case 15: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 11: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 7: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 3: \
+ __u->__usi = (unsigned short int) __c; \
+ __u = __extension__ ((void *) __u + 2); \
+ __u->__uc = (unsigned char) __c; \
+ break; \
+ \
+ case 14: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 10: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 6: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 2: \
+ __u->__usi = (unsigned short int) __c; \
+ break; \
+ \
+ case 13: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 9: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 5: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 1: \
+ __u->__uc = (unsigned char) __c; \
+ break; \
+ \
+ case 16: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 12: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 8: \
+ __u->__ui = __c; \
+ __u = __extension__ ((void *) __u + 4); \
+ case 4: \
+ __u->__ui = __c; \
+ case 0: \
+ break; \
+ } \
+ \
+ __s; })
+
+# define __memset_ccn(s, c, n) \
+ (((n) % 4 == 0) \
+ ? __memset_ccn_by4 (s, ((unsigned int) ((unsigned char) (c))) * 0x01010101,\
+ n) \
+ : (((n) % 2 == 0) \
+ ? __memset_ccn_by2 (s, \
+ ((unsigned int) ((unsigned char) (c))) * 0x01010101,\
+ n) \
+ : memset (s, c, n)))
+
+__STRING_INLINE void *__memset_ccn_by4 (void *__s, unsigned int __c,
+ size_t __n);
+
+__STRING_INLINE void *
+__memset_ccn_by4 (void *__s, unsigned int __c, size_t __n)
+{
+ register void *__tmp = __s;
+ register unsigned long int __d0;
+# ifdef __i686__
+ __asm__ __volatile__
+ ("cld\n\t"
+ "rep; stosl"
+ : "=&a" (__c), "=&D" (__tmp), "=&c" (__d0),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
+ : "cc");
+# else
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movl %0,(%1)\n\t"
+ "addl $4,%1\n\t"
+ "decl %2\n\t"
+ "jnz 1b\n"
+ : "=&r" (__c), "=&r" (__tmp), "=&r" (__d0),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
+ : "cc");
+# endif
+ return __s;
+}
+
+__STRING_INLINE void *__memset_ccn_by2 (void *__s, unsigned int __c,
+ size_t __n);
+
+__STRING_INLINE void *
+__memset_ccn_by2 (void *__s, unsigned int __c, size_t __n)
+{
+ register unsigned long int __d0, __d1;
+ register void *__tmp = __s;
+# ifdef __i686__
+ __asm__ __volatile__
+ ("cld\n\t"
+ "rep; stosl\n"
+ "stosw"
+ : "=&a" (__d0), "=&D" (__tmp), "=&c" (__d1),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
+ : "cc");
+# else
+ __asm__ __volatile__
+ ("1:\tmovl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %2\n\t"
+ "jnz 1b\n"
+ "movw %w0,(%1)"
+ : "=&q" (__d0), "=&r" (__tmp), "=&r" (__d1),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
+ : "cc");
+#endif
+ return __s;
+}
+
+# define __memset_gcn(s, c, n) \
+ (((n) % 4 == 0) \
+ ? __memset_gcn_by4 (s, c, n) \
+ : (((n) % 2 == 0) \
+ ? __memset_gcn_by2 (s, c, n) \
+ : memset (s, c, n)))
+
+__STRING_INLINE void *__memset_gcn_by4 (void *__s, int __c, size_t __n);
+
+__STRING_INLINE void *
+__memset_gcn_by4 (void *__s, int __c, size_t __n)
+{
+ register void *__tmp = __s;
+ register unsigned long int __d0;
+ __asm__ __volatile__
+ ("movb %b0,%h0\n"
+ "pushw %w0\n\t"
+ "shll $16,%0\n\t"
+ "popw %w0\n"
+ "1:\n\t"
+ "movl %0,(%1)\n\t"
+ "addl $4,%1\n\t"
+ "decl %2\n\t"
+ "jnz 1b\n"
+ : "=&q" (__c), "=&r" (__tmp), "=&r" (__d0),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
+ : "cc");
+ return __s;
+}
+
+__STRING_INLINE void *__memset_gcn_by2 (void *__s, int __c, size_t __n);
+
+__STRING_INLINE void *
+__memset_gcn_by2 (void *__s, int __c, size_t __n)
+{
+ register unsigned long int __d0, __d1;
+ register void *__tmp = __s;
+ __asm__ __volatile__
+ ("movb %b0,%h0\n\t"
+ "pushw %w0\n\t"
+ "shll $16,%0\n\t"
+ "popw %w0\n"
+ "1:\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %2\n\t"
+ "jnz 1b\n"
+ "movw %w0,(%1)"
+ : "=&q" (__d0), "=&r" (__tmp), "=&r" (__d1),
+ "=m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "0" ((unsigned int) __c), "1" (__tmp), "2" (__n / 4)
+ : "cc");
+ return __s;
+}
+
+
+/* Search N bytes of S for C. */
+# define _HAVE_STRING_ARCH_memchr 1
+# ifndef _FORCE_INLINES
+__STRING_INLINE void *
+memchr (const void *__s, int __c, size_t __n)
+{
+ register unsigned long int __d0;
+# ifdef __i686__
+ register unsigned long int __d1;
+# endif
+ register unsigned char *__res;
+ if (__n == 0)
+ return NULL;
+# ifdef __i686__
+ __asm__ __volatile__
+ ("cld\n\t"
+ "repne; scasb\n\t"
+ "cmovne %2,%0"
+ : "=D" (__res), "=&c" (__d0), "=&r" (__d1)
+ : "a" (__c), "0" (__s), "1" (__n), "2" (1),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "cc");
+# else
+ __asm__ __volatile__
+ ("cld\n\t"
+ "repne; scasb\n\t"
+ "je 1f\n\t"
+ "movl $1,%0\n"
+ "1:"
+ : "=D" (__res), "=&c" (__d0)
+ : "a" (__c), "0" (__s), "1" (__n),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "cc");
+# endif
+ return __res - 1;
+}
+# endif
+
+# define _HAVE_STRING_ARCH_memrchr 1
+# ifndef _FORCE_INLINES
+__STRING_INLINE void *__memrchr (const void *__s, int __c, size_t __n);
+
+__STRING_INLINE void *
+__memrchr (const void *__s, int __c, size_t __n)
+{
+ register unsigned long int __d0;
+# ifdef __i686__
+ register unsigned long int __d1;
+# endif
+ register void *__res;
+ if (__n == 0)
+ return NULL;
+# ifdef __i686__
+ __asm__ __volatile__
+ ("std\n\t"
+ "repne; scasb\n\t"
+ "cmovne %2,%0\n\t"
+ "cld\n\t"
+ "incl %0"
+ : "=D" (__res), "=&c" (__d0), "=&r" (__d1)
+ : "a" (__c), "0" (__s + __n - 1), "1" (__n), "2" (-1),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "cc");
+# else
+ __asm__ __volatile__
+ ("std\n\t"
+ "repne; scasb\n\t"
+ "je 1f\n\t"
+ "orl $-1,%0\n"
+ "1:\tcld\n\t"
+ "incl %0"
+ : "=D" (__res), "=&c" (__d0)
+ : "a" (__c), "0" (__s + __n - 1), "1" (__n),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__s)
+ : "cc");
+# endif
+ return __res;
+}
+# ifdef __USE_GNU
+# define memrchr(s, c, n) __memrchr ((s), (c), (n))
+# endif
+# endif
+
+/* Return pointer to C in S. */
+# define _HAVE_STRING_ARCH_rawmemchr 1
+__STRING_INLINE void *__rawmemchr (const void *__s, int __c);
+
+# ifndef _FORCE_INLINES
+__STRING_INLINE void *
+__rawmemchr (const void *__s, int __c)
+{
+ register unsigned long int __d0;
+ register unsigned char *__res;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "repne; scasb\n\t"
+ : "=D" (__res), "=&c" (__d0)
+ : "a" (__c), "0" (__s), "1" (0xffffffff),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res - 1;
+}
+# ifdef __USE_GNU
+__STRING_INLINE void *
+rawmemchr (const void *__s, int __c)
+{
+ return __rawmemchr (__s, __c);
+}
+# endif /* use GNU */
+# endif
+
+
+/* Return the length of S. */
+# define _HAVE_STRING_ARCH_strlen 1
+# define strlen(str) \
+ (__extension__ (__builtin_constant_p (str) \
+ ? __builtin_strlen (str) \
+ : __strlen_g (str)))
+__STRING_INLINE size_t __strlen_g (const char *__str);
+
+__STRING_INLINE size_t
+__strlen_g (const char *__str)
+{
+ register char __dummy;
+ register const char *__tmp = __str;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movb (%0),%b1\n\t"
+ "leal 1(%0),%0\n\t"
+ "testb %b1,%b1\n\t"
+ "jne 1b"
+ : "=r" (__tmp), "=&q" (__dummy)
+ : "0" (__str),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__str)
+ : "cc" );
+ return __tmp - __str - 1;
+}
+
+
+/* Copy SRC to DEST. */
+# define _HAVE_STRING_ARCH_strcpy 1
+# define strcpy(dest, src) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? (sizeof ((src)[0]) == 1 && strlen (src) + 1 <= 8 \
+ ? __strcpy_a_small ((dest), (src), strlen (src) + 1) \
+ : (char *) memcpy ((char *) (dest), \
+ (const char *) (src), \
+ strlen (src) + 1)) \
+ : __strcpy_g ((dest), (src))))
+
+# define __strcpy_a_small(dest, src, srclen) \
+ (__extension__ ({ char *__dest = (dest); \
+ union { \
+ unsigned int __ui; \
+ unsigned short int __usi; \
+ unsigned char __uc; \
+ char __c; \
+ } *__u = (void *) __dest; \
+ switch (srclen) \
+ { \
+ case 1: \
+ __u->__uc = '\0'; \
+ break; \
+ case 2: \
+ __u->__usi = __STRING_SMALL_GET16 (src, 0); \
+ break; \
+ case 3: \
+ __u->__usi = __STRING_SMALL_GET16 (src, 0); \
+ __u = __extension__ ((void *) __u + 2); \
+ __u->__uc = '\0'; \
+ break; \
+ case 4: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ break; \
+ case 5: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 4); \
+ __u->__uc = '\0'; \
+ break; \
+ case 6: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 4); \
+ __u->__usi = __STRING_SMALL_GET16 (src, 4); \
+ break; \
+ case 7: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 4); \
+ __u->__usi = __STRING_SMALL_GET16 (src, 4); \
+ __u = __extension__ ((void *) __u + 2); \
+ __u->__uc = '\0'; \
+ break; \
+ case 8: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 4); \
+ __u->__ui = __STRING_SMALL_GET32 (src, 4); \
+ break; \
+ } \
+ (char *) __dest; }))
+
+__STRING_INLINE char *__strcpy_g (char *__dest, const char *__src);
+
+__STRING_INLINE char *
+__strcpy_g (char *__dest, const char *__src)
+{
+ register char *__tmp = __dest;
+ register char __dummy;
+ __asm__ __volatile__
+ (
+ "1:\n\t"
+ "movb (%0),%b2\n\t"
+ "leal 1(%0),%0\n\t"
+ "movb %b2,(%1)\n\t"
+ "leal 1(%1),%1\n\t"
+ "testb %b2,%b2\n\t"
+ "jne 1b"
+ : "=&r" (__src), "=&r" (__tmp), "=&q" (__dummy),
+ "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
+ : "0" (__src), "1" (__tmp),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__src)
+ : "cc");
+ return __dest;
+}
+
+
+# ifdef __USE_GNU
+# define _HAVE_STRING_ARCH_stpcpy 1
+/* Copy SRC to DEST. */
+# define __stpcpy(dest, src) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? (strlen (src) + 1 <= 8 \
+ ? __stpcpy_a_small ((dest), (src), strlen (src) + 1) \
+ : __stpcpy_c ((dest), (src), strlen (src) + 1)) \
+ : __stpcpy_g ((dest), (src))))
+# define __stpcpy_c(dest, src, srclen) \
+ ((srclen) % 4 == 0 \
+ ? __mempcpy_by4 (dest, src, srclen) - 1 \
+ : ((srclen) % 2 == 0 \
+ ? __mempcpy_by2 (dest, src, srclen) - 1 \
+ : __mempcpy_byn (dest, src, srclen) - 1))
+
+/* In glibc itself we use this symbol for namespace reasons. */
+# define stpcpy(dest, src) __stpcpy ((dest), (src))
+
+# define __stpcpy_a_small(dest, src, srclen) \
+ (__extension__ ({ union { \
+ unsigned int __ui; \
+ unsigned short int __usi; \
+ unsigned char __uc; \
+ char __c; \
+ } *__u = (void *) (dest); \
+ switch (srclen) \
+ { \
+ case 1: \
+ __u->__uc = '\0'; \
+ break; \
+ case 2: \
+ __u->__usi = __STRING_SMALL_GET16 (src, 0); \
+ __u = __extension__ ((void *) __u + 1); \
+ break; \
+ case 3: \
+ __u->__usi = __STRING_SMALL_GET16 (src, 0); \
+ __u = __extension__ ((void *) __u + 2); \
+ __u->__uc = '\0'; \
+ break; \
+ case 4: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 3); \
+ break; \
+ case 5: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 4); \
+ __u->__uc = '\0'; \
+ break; \
+ case 6: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 4); \
+ __u->__usi = __STRING_SMALL_GET16 (src, 4); \
+ __u = __extension__ ((void *) __u + 1); \
+ break; \
+ case 7: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 4); \
+ __u->__usi = __STRING_SMALL_GET16 (src, 4); \
+ __u = __extension__ ((void *) __u + 2); \
+ __u->__uc = '\0'; \
+ break; \
+ case 8: \
+ __u->__ui = __STRING_SMALL_GET32 (src, 0); \
+ __u = __extension__ ((void *) __u + 4); \
+ __u->__ui = __STRING_SMALL_GET32 (src, 4); \
+ __u = __extension__ ((void *) __u + 3); \
+ break; \
+ } \
+ (char *) __u; }))
+
+__STRING_INLINE char *__mempcpy_by4 (char *__dest, const char *__src,
+ size_t __srclen);
+
+__STRING_INLINE char *
+__mempcpy_by4 (char *__dest, const char *__src, size_t __srclen)
+{
+ register char *__tmp = __dest;
+ register unsigned long int __d0, __d1;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b"
+ : "=&r" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1)
+ : "1" (__tmp), "2" (__src), "3" (__srclen / 4)
+ : "memory", "cc");
+ return __tmp;
+}
+
+__STRING_INLINE char *__mempcpy_by2 (char *__dest, const char *__src,
+ size_t __srclen);
+
+__STRING_INLINE char *
+__mempcpy_by2 (char *__dest, const char *__src, size_t __srclen)
+{
+ register char *__tmp = __dest;
+ register unsigned long int __d0, __d1;
+ __asm__ __volatile__
+ ("shrl $1,%3\n\t"
+ "jz 2f\n" /* only a word */
+ "1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b\n"
+ "2:\n\t"
+ "movw (%2),%w0\n\t"
+ "movw %w0,(%1)"
+ : "=&q" (__d0), "=r" (__tmp), "=&r" (__src), "=&r" (__d1),
+ "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
+ : "1" (__tmp), "2" (__src), "3" (__srclen / 2),
+ "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
+ : "cc");
+ return __tmp + 2;
+}
+
+__STRING_INLINE char *__mempcpy_byn (char *__dest, const char *__src,
+ size_t __srclen);
+
+__STRING_INLINE char *
+__mempcpy_byn (char *__dest, const char *__src, size_t __srclen)
+{
+ register unsigned long __d0, __d1;
+ register char *__tmp = __dest;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "shrl $1,%%ecx\n\t"
+ "jnc 1f\n\t"
+ "movsb\n"
+ "1:\n\t"
+ "shrl $1,%%ecx\n\t"
+ "jnc 2f\n\t"
+ "movsw\n"
+ "2:\n\t"
+ "rep; movsl"
+ : "=D" (__tmp), "=&c" (__d0), "=&S" (__d1),
+ "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
+ : "0" (__tmp), "1" (__srclen), "2" (__src),
+ "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
+ : "cc");
+ return __tmp;
+}
+
+__STRING_INLINE char *__stpcpy_g (char *__dest, const char *__src);
+
+__STRING_INLINE char *
+__stpcpy_g (char *__dest, const char *__src)
+{
+ register char *__tmp = __dest;
+ register char __dummy;
+ __asm__ __volatile__
+ (
+ "1:\n\t"
+ "movb (%0),%b2\n\t"
+ "leal 1(%0),%0\n\t"
+ "movb %b2,(%1)\n\t"
+ "leal 1(%1),%1\n\t"
+ "testb %b2,%b2\n\t"
+ "jne 1b"
+ : "=&r" (__src), "=r" (__tmp), "=&q" (__dummy),
+ "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
+ : "0" (__src), "1" (__tmp),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__src)
+ : "cc");
+ return __tmp - 1;
+}
+# endif
+
+
+/* Copy no more than N characters of SRC to DEST. */
+# define _HAVE_STRING_ARCH_strncpy 1
+# define strncpy(dest, src, n) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? ((strlen (src) + 1 >= ((size_t) (n)) \
+ ? (char *) memcpy ((char *) (dest), \
+ (const char *) (src), n) \
+ : __strncpy_cg ((dest), (src), strlen (src) + 1, n))) \
+ : __strncpy_gg ((dest), (src), n)))
+# define __strncpy_cg(dest, src, srclen, n) \
+ (((srclen) % 4 == 0) \
+ ? __strncpy_by4 (dest, src, srclen, n) \
+ : (((srclen) % 2 == 0) \
+ ? __strncpy_by2 (dest, src, srclen, n) \
+ : __strncpy_byn (dest, src, srclen, n)))
+
+__STRING_INLINE char *__strncpy_by4 (char *__dest, const char __src[],
+ size_t __srclen, size_t __n);
+
+__STRING_INLINE char *
+__strncpy_by4 (char *__dest, const char __src[], size_t __srclen, size_t __n)
+{
+ register char *__tmp = __dest;
+ register int __dummy1, __dummy2;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b"
+ : "=&r" (__dummy1), "=r" (__tmp), "=&r" (__src), "=&r" (__dummy2),
+ "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
+ : "1" (__tmp), "2" (__src), "3" (__srclen / 4),
+ "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
+ : "cc");
+ (void) memset (__tmp, '\0', __n - __srclen);
+ return __dest;
+}
+
+__STRING_INLINE char *__strncpy_by2 (char *__dest, const char __src[],
+ size_t __srclen, size_t __n);
+
+__STRING_INLINE char *
+__strncpy_by2 (char *__dest, const char __src[], size_t __srclen, size_t __n)
+{
+ register char *__tmp = __dest;
+ register int __dummy1, __dummy2;
+ __asm__ __volatile__
+ ("shrl $1,%3\n\t"
+ "jz 2f\n" /* only a word */
+ "1:\n\t"
+ "movl (%2),%0\n\t"
+ "leal 4(%2),%2\n\t"
+ "movl %0,(%1)\n\t"
+ "leal 4(%1),%1\n\t"
+ "decl %3\n\t"
+ "jnz 1b\n"
+ "2:\n\t"
+ "movw (%2),%w0\n\t"
+ "movw %w0,(%1)\n\t"
+ : "=&q" (__dummy1), "=r" (__tmp), "=&r" (__src), "=&r" (__dummy2),
+ "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
+ : "1" (__tmp), "2" (__src), "3" (__srclen / 2),
+ "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
+ : "cc");
+ (void) memset (__tmp + 2, '\0', __n - __srclen);
+ return __dest;
+}
+
+__STRING_INLINE char *__strncpy_byn (char *__dest, const char __src[],
+ size_t __srclen, size_t __n);
+
+__STRING_INLINE char *
+__strncpy_byn (char *__dest, const char __src[], size_t __srclen, size_t __n)
+{
+ register unsigned long int __d0, __d1;
+ register char *__tmp = __dest;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "shrl $1,%1\n\t"
+ "jnc 1f\n\t"
+ "movsb\n"
+ "1:\n\t"
+ "shrl $1,%1\n\t"
+ "jnc 2f\n\t"
+ "movsw\n"
+ "2:\n\t"
+ "rep; movsl"
+ : "=D" (__tmp), "=&c" (__d0), "=&S" (__d1),
+ "=m" ( *(struct { __extension__ char __x[__srclen]; } *)__dest)
+ : "1" (__srclen), "0" (__tmp),"2" (__src),
+ "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
+ : "cc");
+ (void) memset (__tmp, '\0', __n - __srclen);
+ return __dest;
+}
+
+__STRING_INLINE char *__strncpy_gg (char *__dest, const char *__src,
+ size_t __n);
+
+__STRING_INLINE char *
+__strncpy_gg (char *__dest, const char *__src, size_t __n)
+{
+ register char *__tmp = __dest;
+ register char __dummy;
+ if (__n > 0)
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movb (%0),%2\n\t"
+ "incl %0\n\t"
+ "movb %2,(%1)\n\t"
+ "incl %1\n\t"
+ "decl %3\n\t"
+ "je 3f\n\t"
+ "testb %2,%2\n\t"
+ "jne 1b\n\t"
+ "2:\n\t"
+ "movb %2,(%1)\n\t"
+ "incl %1\n\t"
+ "decl %3\n\t"
+ "jne 2b\n\t"
+ "3:"
+ : "=&r" (__src), "=&r" (__tmp), "=&q" (__dummy), "=&r" (__n)
+ : "0" (__src), "1" (__tmp), "3" (__n)
+ : "memory", "cc");
+
+ return __dest;
+}
+
+
+/* Append SRC onto DEST. */
+# define _HAVE_STRING_ARCH_strcat 1
+# define strcat(dest, src) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? __strcat_c ((dest), (src), strlen (src) + 1) \
+ : __strcat_g ((dest), (src))))
+
+__STRING_INLINE char *__strcat_c (char *__dest, const char __src[],
+ size_t __srclen);
+
+__STRING_INLINE char *
+__strcat_c (char *__dest, const char __src[], size_t __srclen)
+{
+# ifdef __i686__
+ register unsigned long int __d0;
+ register char *__tmp;
+ __asm__ __volatile__
+ ("repne; scasb"
+ : "=D" (__tmp), "=&c" (__d0),
+ "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
+ : "0" (__dest), "1" (0xffffffff), "a" (0),
+ "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
+ : "cc");
+ --__tmp;
+# else
+ register char *__tmp = __dest - 1;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "incl %0\n\t"
+ "cmpb $0,(%0)\n\t"
+ "jne 1b\n"
+ : "=r" (__tmp),
+ "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
+ : "0" (__tmp),
+ "m" ( *(struct { __extension__ char __x[__srclen]; } *)__src)
+ : "cc");
+# endif
+ (void) memcpy (__tmp, __src, __srclen);
+ return __dest;
+}
+
+__STRING_INLINE char *__strcat_g (char *__dest, const char *__src);
+
+__STRING_INLINE char *
+__strcat_g (char *__dest, const char *__src)
+{
+ register char *__tmp = __dest - 1;
+ register char __dummy;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "incl %1\n\t"
+ "cmpb $0,(%1)\n\t"
+ "jne 1b\n"
+ "2:\n\t"
+ "movb (%2),%b0\n\t"
+ "incl %2\n\t"
+ "movb %b0,(%1)\n\t"
+ "incl %1\n\t"
+ "testb %b0,%b0\n\t"
+ "jne 2b\n"
+ : "=&q" (__dummy), "=&r" (__tmp), "=&r" (__src),
+ "=m" ( *(struct { char __x[0xfffffff]; } *)__dest)
+ : "1" (__tmp), "2" (__src),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__src)
+ : "memory", "cc");
+ return __dest;
+}
+
+
+/* Append no more than N characters from SRC onto DEST. */
+# define _HAVE_STRING_ARCH_strncat 1
+# define strncat(dest, src, n) \
+ (__extension__ ({ char *__dest = (dest); \
+ __builtin_constant_p (src) && __builtin_constant_p (n) \
+ ? (strlen (src) < ((size_t) (n)) \
+ ? strcat (__dest, (src)) \
+ : (*(char *)__mempcpy (strchr (__dest, '\0'), \
+ (const char *) (src), \
+ (n)) = 0, __dest)) \
+ : __strncat_g (__dest, (src), (n)); }))
+
+__STRING_INLINE char *__strncat_g (char *__dest, const char __src[],
+ size_t __n);
+
+__STRING_INLINE char *
+__strncat_g (char *__dest, const char __src[], size_t __n)
+{
+ register char *__tmp = __dest;
+ register char __dummy;
+# ifdef __i686__
+ __asm__ __volatile__
+ ("repne; scasb\n"
+ "movl %4, %3\n\t"
+ "decl %1\n\t"
+ "1:\n\t"
+ "subl $1,%3\n\t"
+ "jc 2f\n\t"
+ "movb (%2),%b0\n\t"
+ "movsb\n\t"
+ "testb %b0,%b0\n\t"
+ "jne 1b\n\t"
+ "decl %1\n"
+ "2:\n\t"
+ "movb $0,(%1)"
+ : "=&a" (__dummy), "=&D" (__tmp), "=&S" (__src), "=&c" (__n)
+ : "g" (__n), "0" (0), "1" (__tmp), "2" (__src), "3" (0xffffffff)
+ : "memory", "cc");
+# else
+ --__tmp;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "cmpb $0,1(%1)\n\t"
+ "leal 1(%1),%1\n\t"
+ "jne 1b\n"
+ "2:\n\t"
+ "subl $1,%3\n\t"
+ "jc 3f\n\t"
+ "movb (%2),%b0\n\t"
+ "leal 1(%2),%2\n\t"
+ "movb %b0,(%1)\n\t"
+ "leal 1(%1),%1\n\t"
+ "testb %b0,%b0\n\t"
+ "jne 2b\n\t"
+ "decl %1\n"
+ "3:\n\t"
+ "movb $0,(%1)"
+ : "=&q" (__dummy), "=&r" (__tmp), "=&r" (__src), "=&r" (__n)
+ : "1" (__tmp), "2" (__src), "3" (__n)
+ : "memory", "cc");
+#endif
+ return __dest;
+}
+
+
+/* Compare S1 and S2. */
+# define _HAVE_STRING_ARCH_strcmp 1
+# define strcmp(s1, s2) \
+ (__extension__ (__builtin_constant_p (s1) && __builtin_constant_p (s2) \
+ && (sizeof ((s1)[0]) != 1 || strlen (s1) >= 4) \
+ && (sizeof ((s2)[0]) != 1 || strlen (s2) >= 4) \
+ ? memcmp ((const char *) (s1), (const char *) (s2), \
+ (strlen (s1) < strlen (s2) \
+ ? strlen (s1) : strlen (s2)) + 1) \
+ : (__builtin_constant_p (s1) && sizeof ((s1)[0]) == 1 \
+ && sizeof ((s2)[0]) == 1 && strlen (s1) < 4 \
+ ? (__builtin_constant_p (s2) && sizeof ((s2)[0]) == 1 \
+ ? __strcmp_cc ((const unsigned char *) (s1), \
+ (const unsigned char *) (s2), \
+ strlen (s1)) \
+ : __strcmp_cg ((const unsigned char *) (s1), \
+ (const unsigned char *) (s2), \
+ strlen (s1))) \
+ : (__builtin_constant_p (s2) && sizeof ((s1)[0]) == 1 \
+ && sizeof ((s2)[0]) == 1 && strlen (s2) < 4 \
+ ? (__builtin_constant_p (s1) \
+ ? __strcmp_cc ((const unsigned char *) (s1), \
+ (const unsigned char *) (s2), \
+ strlen (s2)) \
+ : __strcmp_gc ((const unsigned char *) (s1), \
+ (const unsigned char *) (s2), \
+ strlen (s2))) \
+ : __strcmp_gg ((s1), (s2))))))
+
+# define __strcmp_cc(s1, s2, l) \
+ (__extension__ ({ register int __result = (s1)[0] - (s2)[0]; \
+ if (l > 0 && __result == 0) \
+ { \
+ __result = (s1)[1] - (s2)[1]; \
+ if (l > 1 && __result == 0) \
+ { \
+ __result = (s1)[2] - (s2)[2]; \
+ if (l > 2 && __result == 0) \
+ __result = (s1)[3] - (s2)[3]; \
+ } \
+ } \
+ __result; }))
+
+# define __strcmp_cg(s1, s2, l1) \
+ (__extension__ ({ const unsigned char *__s2 = (s2); \
+ register int __result = (s1)[0] - __s2[0]; \
+ if (l1 > 0 && __result == 0) \
+ { \
+ __result = (s1)[1] - __s2[1]; \
+ if (l1 > 1 && __result == 0) \
+ { \
+ __result = (s1)[2] - __s2[2]; \
+ if (l1 > 2 && __result == 0) \
+ __result = (s1)[3] - __s2[3]; \
+ } \
+ } \
+ __result; }))
+
+# define __strcmp_gc(s1, s2, l2) \
+ (__extension__ ({ const unsigned char *__s1 = (s1); \
+ register int __result = __s1[0] - (s2)[0]; \
+ if (l2 > 0 && __result == 0) \
+ { \
+ __result = __s1[1] - (s2)[1]; \
+ if (l2 > 1 && __result == 0) \
+ { \
+ __result = __s1[2] - (s2)[2]; \
+ if (l2 > 2 && __result == 0) \
+ __result = __s1[3] - (s2)[3]; \
+ } \
+ } \
+ __result; }))
+
+__STRING_INLINE int __strcmp_gg (const char *__s1, const char *__s2);
+
+__STRING_INLINE int
+__strcmp_gg (const char *__s1, const char *__s2)
+{
+ register int __res;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movb (%1),%b0\n\t"
+ "leal 1(%1),%1\n\t"
+ "cmpb %b0,(%2)\n\t"
+ "jne 2f\n\t"
+ "leal 1(%2),%2\n\t"
+ "testb %b0,%b0\n\t"
+ "jne 1b\n\t"
+ "xorl %0,%0\n\t"
+ "jmp 3f\n"
+ "2:\n\t"
+ "movl $1,%0\n\t"
+ "jb 3f\n\t"
+ "negl %0\n"
+ "3:"
+ : "=q" (__res), "=&r" (__s1), "=&r" (__s2)
+ : "1" (__s1), "2" (__s2),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s1),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s2)
+ : "cc");
+ return __res;
+}
+
+
+/* Compare N characters of S1 and S2. */
+# define _HAVE_STRING_ARCH_strncmp 1
+# define strncmp(s1, s2, n) \
+ (__extension__ (__builtin_constant_p (s1) && strlen (s1) < ((size_t) (n)) \
+ ? strcmp ((s1), (s2)) \
+ : (__builtin_constant_p (s2) && strlen (s2) < ((size_t) (n))\
+ ? strcmp ((s1), (s2)) \
+ : __strncmp_g ((s1), (s2), (n)))))
+
+__STRING_INLINE int __strncmp_g (const char *__s1, const char *__s2,
+ size_t __n);
+
+__STRING_INLINE int
+__strncmp_g (const char *__s1, const char *__s2, size_t __n)
+{
+ register int __res;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "subl $1,%3\n\t"
+ "jc 2f\n\t"
+ "movb (%1),%b0\n\t"
+ "incl %1\n\t"
+ "cmpb %b0,(%2)\n\t"
+ "jne 3f\n\t"
+ "incl %2\n\t"
+ "testb %b0,%b0\n\t"
+ "jne 1b\n"
+ "2:\n\t"
+ "xorl %0,%0\n\t"
+ "jmp 4f\n"
+ "3:\n\t"
+ "movl $1,%0\n\t"
+ "jb 4f\n\t"
+ "negl %0\n"
+ "4:"
+ : "=q" (__res), "=&r" (__s1), "=&r" (__s2), "=&r" (__n)
+ : "1" (__s1), "2" (__s2), "3" (__n),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__s1),
+ "m" ( *(struct { __extension__ char __x[__n]; } *)__s2)
+ : "cc");
+ return __res;
+}
+
+
+/* Find the first occurrence of C in S. */
+# define _HAVE_STRING_ARCH_strchr 1
+# define _USE_STRING_ARCH_strchr 1
+# define strchr(s, c) \
+ (__extension__ (__builtin_constant_p (c) \
+ ? ((c) == '\0' \
+ ? (char *) __rawmemchr ((s), (c)) \
+ : __strchr_c ((s), ((c) & 0xff) << 8)) \
+ : __strchr_g ((s), (c))))
+
+__STRING_INLINE char *__strchr_c (const char *__s, int __c);
+
+__STRING_INLINE char *
+__strchr_c (const char *__s, int __c)
+{
+ register unsigned long int __d0;
+ register char *__res;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movb (%0),%%al\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "je 2f\n\t"
+ "leal 1(%0),%0\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b\n\t"
+ "xorl %0,%0\n"
+ "2:"
+ : "=r" (__res), "=&a" (__d0)
+ : "0" (__s), "1" (__c),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res;
+}
+
+__STRING_INLINE char *__strchr_g (const char *__s, int __c);
+
+__STRING_INLINE char *
+__strchr_g (const char *__s, int __c)
+{
+ register unsigned long int __d0;
+ register char *__res;
+ __asm__ __volatile__
+ ("movb %%al,%%ah\n"
+ "1:\n\t"
+ "movb (%0),%%al\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "je 2f\n\t"
+ "leal 1(%0),%0\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b\n\t"
+ "xorl %0,%0\n"
+ "2:"
+ : "=r" (__res), "=&a" (__d0)
+ : "0" (__s), "1" (__c),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res;
+}
+
+
+/* Find the first occurrence of C in S or the final NUL byte. */
+# define _HAVE_STRING_ARCH_strchrnul 1
+# define __strchrnul(s, c) \
+ (__extension__ (__builtin_constant_p (c) \
+ ? ((c) == '\0' \
+ ? (char *) __rawmemchr ((s), c) \
+ : __strchrnul_c ((s), ((c) & 0xff) << 8)) \
+ : __strchrnul_g ((s), c)))
+
+__STRING_INLINE char *__strchrnul_c (const char *__s, int __c);
+
+__STRING_INLINE char *
+__strchrnul_c (const char *__s, int __c)
+{
+ register unsigned long int __d0;
+ register char *__res;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movb (%0),%%al\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "je 2f\n\t"
+ "leal 1(%0),%0\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b\n\t"
+ "decl %0\n"
+ "2:"
+ : "=r" (__res), "=&a" (__d0)
+ : "0" (__s), "1" (__c),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res;
+}
+
+__STRING_INLINE char *__strchrnul_g (const char *__s, int __c);
+
+__STRING_INLINE char *
+__strchrnul_g (const char *__s, int __c)
+{
+ register unsigned long int __d0;
+ register char *__res;
+ __asm__ __volatile__
+ ("movb %%al,%%ah\n"
+ "1:\n\t"
+ "movb (%0),%%al\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "je 2f\n\t"
+ "leal 1(%0),%0\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b\n\t"
+ "decl %0\n"
+ "2:"
+ : "=r" (__res), "=&a" (__d0)
+ : "0" (__s), "1" (__c),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res;
+}
+# ifdef __USE_GNU
+# define strchrnul(s, c) __strchrnul ((s), (c))
+# endif
+
+
+# if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Find the first occurrence of C in S. This is the BSD name. */
+# define _HAVE_STRING_ARCH_index 1
+# define index(s, c) \
+ (__extension__ (__builtin_constant_p (c) \
+ ? __strchr_c ((s), ((c) & 0xff) << 8) \
+ : __strchr_g ((s), (c))))
+# endif
+
+
+/* Find the last occurrence of C in S. */
+# define _HAVE_STRING_ARCH_strrchr 1
+# define strrchr(s, c) \
+ (__extension__ (__builtin_constant_p (c) \
+ ? __strrchr_c ((s), ((c) & 0xff) << 8) \
+ : __strrchr_g ((s), (c))))
+
+# ifdef __i686__
+__STRING_INLINE char *__strrchr_c (const char *__s, int __c);
+
+__STRING_INLINE char *
+__strrchr_c (const char *__s, int __c)
+{
+ register unsigned long int __d0, __d1;
+ register char *__res;
+ __asm__ __volatile__
+ ("cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "cmpb %h2,%b2\n\t"
+ "cmove %1,%0\n\t"
+ "testb %b2,%b2\n\t"
+ "jne 1b"
+ : "=d" (__res), "=&S" (__d0), "=&a" (__d1)
+ : "0" (1), "1" (__s), "2" (__c),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res - 1;
+}
+
+__STRING_INLINE char *__strrchr_g (const char *__s, int __c);
+
+__STRING_INLINE char *
+__strrchr_g (const char *__s, int __c)
+{
+ register unsigned long int __d0, __d1;
+ register char *__res;
+ __asm__ __volatile__
+ ("movb %b2,%h2\n"
+ "cld\n\t"
+ "1:\n\t"
+ "lodsb\n\t"
+ "cmpb %h2,%b2\n\t"
+ "cmove %1,%0\n\t"
+ "testb %b2,%b2\n\t"
+ "jne 1b"
+ : "=d" (__res), "=&S" (__d0), "=&a" (__d1)
+ : "0" (1), "1" (__s), "2" (__c),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res - 1;
+}
+# else
+__STRING_INLINE char *__strrchr_c (const char *__s, int __c);
+
+__STRING_INLINE char *
+__strrchr_c (const char *__s, int __c)
+{
+ register unsigned long int __d0, __d1;
+ register char *__res;
+ __asm__ __volatile__
+ ("cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "jne 2f\n\t"
+ "leal -1(%%esi),%0\n"
+ "2:\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b"
+ : "=d" (__res), "=&S" (__d0), "=&a" (__d1)
+ : "0" (0), "1" (__s), "2" (__c),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res;
+}
+
+__STRING_INLINE char *__strrchr_g (const char *__s, int __c);
+
+__STRING_INLINE char *
+__strrchr_g (const char *__s, int __c)
+{
+ register unsigned long int __d0, __d1;
+ register char *__res;
+ __asm__ __volatile__
+ ("movb %%al,%%ah\n"
+ "cld\n\t"
+ "1:\n\t"
+ "lodsb\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "jne 2f\n\t"
+ "leal -1(%%esi),%0\n"
+ "2:\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b"
+ : "=r" (__res), "=&S" (__d0), "=&a" (__d1)
+ : "0" (0), "1" (__s), "2" (__c),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return __res;
+}
+# endif
+
+
+# if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+/* Find the last occurrence of C in S. This is the BSD name. */
+# define _HAVE_STRING_ARCH_rindex 1
+# define rindex(s, c) \
+ (__extension__ (__builtin_constant_p (c) \
+ ? __strrchr_c ((s), ((c) & 0xff) << 8) \
+ : __strrchr_g ((s), (c))))
+# endif
+
+
+/* Return the length of the initial segment of S which
+ consists entirely of characters not in REJECT. */
+# define _HAVE_STRING_ARCH_strcspn 1
+# define strcspn(s, reject) \
+ (__extension__ (__builtin_constant_p (reject) && sizeof ((reject)[0]) == 1 \
+ ? ((reject)[0] == '\0' \
+ ? strlen (s) \
+ : ((reject)[1] == '\0' \
+ ? __strcspn_c1 ((s), (((reject)[0] << 8) & 0xff00)) \
+ : __strcspn_cg ((s), (reject), strlen (reject)))) \
+ : __strcspn_g ((s), (reject))))
+
+__STRING_INLINE size_t __strcspn_c1 (const char *__s, int __reject);
+
+# ifndef _FORCE_INLINES
+__STRING_INLINE size_t
+__strcspn_c1 (const char *__s, int __reject)
+{
+ register unsigned long int __d0;
+ register char *__res;
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movb (%0),%%al\n\t"
+ "leal 1(%0),%0\n\t"
+ "cmpb %%ah,%%al\n\t"
+ "je 2f\n\t"
+ "testb %%al,%%al\n\t"
+ "jne 1b\n"
+ "2:"
+ : "=r" (__res), "=&a" (__d0)
+ : "0" (__s), "1" (__reject),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return (__res - 1) - __s;
+}
+# endif
+
+__STRING_INLINE size_t __strcspn_cg (const char *__s, const char __reject[],
+ size_t __reject_len);
+
+__STRING_INLINE size_t
+__strcspn_cg (const char *__s, const char __reject[], size_t __reject_len)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register const char *__res;
+ __asm__ __volatile__
+ ("cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %5,%%edi\n\t"
+ "movl %6,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n"
+ "2:"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
+ : "0" (__s), "d" (__reject), "g" (__reject_len)
+ : "memory", "cc");
+ return (__res - 1) - __s;
+}
+
+__STRING_INLINE size_t __strcspn_g (const char *__s, const char *__reject);
+# ifdef __PIC__
+
+__STRING_INLINE size_t
+__strcspn_g (const char *__s, const char *__reject)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register const char *__res;
+ __asm__ __volatile__
+ ("pushl %%ebx\n\t"
+ "movl %4,%%edi\n\t"
+ "cld\n\t"
+ "repne; scasb\n\t"
+ "notl %%ecx\n\t"
+ "leal -1(%%ecx),%%ebx\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %4,%%edi\n\t"
+ "movl %%ebx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n"
+ "2:\n\t"
+ "popl %%ebx"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
+ : "r" (__reject), "0" (__s), "1" (0), "2" (0xffffffff)
+ : "memory", "cc");
+ return (__res - 1) - __s;
+}
+# else
+__STRING_INLINE size_t
+__strcspn_g (const char *__s, const char *__reject)
+{
+ register unsigned long int __d0, __d1, __d2, __d3;
+ register const char *__res;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "repne; scasb\n\t"
+ "notl %%ecx\n\t"
+ "leal -1(%%ecx),%%edx\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%ebx,%%edi\n\t"
+ "movl %%edx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n"
+ "2:"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2), "=&d" (__d3)
+ : "0" (__s), "1" (0), "2" (0xffffffff), "3" (__reject), "b" (__reject)
+ /* Clobber memory, otherwise GCC cannot handle this. */
+ : "memory", "cc");
+ return (__res - 1) - __s;
+}
+# endif
+
+
+/* Return the length of the initial segment of S which
+ consists entirely of characters in ACCEPT. */
+# define _HAVE_STRING_ARCH_strspn 1
+# define strspn(s, accept) \
+ (__extension__ (__builtin_constant_p (accept) && sizeof ((accept)[0]) == 1 \
+ ? ((accept)[0] == '\0' \
+ ? ((void) (s), 0) \
+ : ((accept)[1] == '\0' \
+ ? __strspn_c1 ((s), (((accept)[0] << 8 ) & 0xff00)) \
+ : __strspn_cg ((s), (accept), strlen (accept)))) \
+ : __strspn_g ((s), (accept))))
+
+# ifndef _FORCE_INLINES
+__STRING_INLINE size_t __strspn_c1 (const char *__s, int __accept);
+
+__STRING_INLINE size_t
+__strspn_c1 (const char *__s, int __accept)
+{
+ register unsigned long int __d0;
+ register char *__res;
+ /* Please note that __accept never can be '\0'. */
+ __asm__ __volatile__
+ ("1:\n\t"
+ "movb (%0),%b1\n\t"
+ "leal 1(%0),%0\n\t"
+ "cmpb %h1,%b1\n\t"
+ "je 1b"
+ : "=r" (__res), "=&q" (__d0)
+ : "0" (__s), "1" (__accept),
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s)
+ : "cc");
+ return (__res - 1) - __s;
+}
+# endif
+
+__STRING_INLINE size_t __strspn_cg (const char *__s, const char __accept[],
+ size_t __accept_len);
+
+__STRING_INLINE size_t
+__strspn_cg (const char *__s, const char __accept[], size_t __accept_len)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register const char *__res;
+ __asm__ __volatile__
+ ("cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %5,%%edi\n\t"
+ "movl %6,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "je 1b\n"
+ "2:"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
+ : "0" (__s), "g" (__accept), "g" (__accept_len),
+ /* Since we do not know how large the memory we access it, use a
+ really large amount. */
+ "m" ( *(struct { char __x[0xfffffff]; } *)__s),
+ "m" ( *(struct { __extension__ char __x[__accept_len]; } *)__accept)
+ : "cc");
+ return (__res - 1) - __s;
+}
+
+__STRING_INLINE size_t __strspn_g (const char *__s, const char *__accept);
+# ifdef __PIC__
+
+__STRING_INLINE size_t
+__strspn_g (const char *__s, const char *__accept)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register const char *__res;
+ __asm__ __volatile__
+ ("pushl %%ebx\n\t"
+ "cld\n\t"
+ "repne; scasb\n\t"
+ "notl %%ecx\n\t"
+ "leal -1(%%ecx),%%ebx\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%edx,%%edi\n\t"
+ "movl %%ebx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "je 1b\n"
+ "2:\n\t"
+ "popl %%ebx"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
+ : "d" (__accept), "0" (__s), "1" (0), "2" (0xffffffff), "3" (__accept)
+ : "memory", "cc");
+ return (__res - 1) - __s;
+}
+# else
+__STRING_INLINE size_t
+__strspn_g (const char *__s, const char *__accept)
+{
+ register unsigned long int __d0, __d1, __d2, __d3;
+ register const char *__res;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "repne; scasb\n\t"
+ "notl %%ecx\n\t"
+ "leal -1(%%ecx),%%edx\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%ebx,%%edi\n\t"
+ "movl %%edx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "je 1b\n"
+ "2:"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2), "=&d" (__d3)
+ : "0" (__s), "1" (0), "2" (0xffffffff), "3" (__accept), "b" (__accept)
+ : "memory", "cc");
+ return (__res - 1) - __s;
+}
+# endif
+
+
+/* Find the first occurrence in S of any character in ACCEPT. */
+# define _HAVE_STRING_ARCH_strpbrk 1
+# define strpbrk(s, accept) \
+ (__extension__ (__builtin_constant_p (accept) && sizeof ((accept)[0]) == 1 \
+ ? ((accept)[0] == '\0' \
+ ? ((void) (s), (char *) 0) \
+ : ((accept)[1] == '\0' \
+ ? strchr ((s), (accept)[0]) \
+ : __strpbrk_cg ((s), (accept), strlen (accept)))) \
+ : __strpbrk_g ((s), (accept))))
+
+__STRING_INLINE char *__strpbrk_cg (const char *__s, const char __accept[],
+ size_t __accept_len);
+
+__STRING_INLINE char *
+__strpbrk_cg (const char *__s, const char __accept[], size_t __accept_len)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register char *__res;
+ __asm__ __volatile__
+ ("cld\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %5,%%edi\n\t"
+ "movl %6,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n\t"
+ "decl %0\n\t"
+ "jmp 3f\n"
+ "2:\n\t"
+ "xorl %0,%0\n"
+ "3:"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
+ : "0" (__s), "d" (__accept), "g" (__accept_len)
+ : "memory", "cc");
+ return __res;
+}
+
+__STRING_INLINE char *__strpbrk_g (const char *__s, const char *__accept);
+# ifdef __PIC__
+
+__STRING_INLINE char *
+__strpbrk_g (const char *__s, const char *__accept)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register char *__res;
+ __asm__ __volatile__
+ ("pushl %%ebx\n\t"
+ "movl %%edx,%%edi\n\t"
+ "cld\n\t"
+ "repne; scasb\n\t"
+ "notl %%ecx\n\t"
+ "leal -1(%%ecx),%%ebx\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%edx,%%edi\n\t"
+ "movl %%ebx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n\t"
+ "decl %0\n\t"
+ "jmp 3f\n"
+ "2:\n\t"
+ "xorl %0,%0\n"
+ "3:\n\t"
+ "popl %%ebx"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&D" (__d2)
+ : "d" (__accept), "0" (__s), "1" (0), "2" (0xffffffff)
+ : "memory", "cc");
+ return __res;
+}
+# else
+__STRING_INLINE char *
+__strpbrk_g (const char *__s, const char *__accept)
+{
+ register unsigned long int __d0, __d1, __d2, __d3;
+ register char *__res;
+ __asm__ __volatile__
+ ("movl %%ebx,%%edi\n\t"
+ "cld\n\t"
+ "repne; scasb\n\t"
+ "notl %%ecx\n\t"
+ "leal -1(%%ecx),%%edx\n"
+ "1:\n\t"
+ "lodsb\n\t"
+ "testb %%al,%%al\n\t"
+ "je 2f\n\t"
+ "movl %%ebx,%%edi\n\t"
+ "movl %%edx,%%ecx\n\t"
+ "repne; scasb\n\t"
+ "jne 1b\n\t"
+ "decl %0\n\t"
+ "jmp 3f\n"
+ "2:\n\t"
+ "xorl %0,%0\n"
+ "3:"
+ : "=S" (__res), "=&a" (__d0), "=&c" (__d1), "=&d" (__d2), "=&D" (__d3)
+ : "0" (__s), "1" (0), "2" (0xffffffff), "b" (__accept)
+ : "memory", "cc");
+ return __res;
+}
+# endif
+
+
+/* Find the first occurrence of NEEDLE in HAYSTACK. */
+# define _HAVE_STRING_ARCH_strstr 1
+# define strstr(haystack, needle) \
+ (__extension__ (__builtin_constant_p (needle) && sizeof ((needle)[0]) == 1 \
+ ? ((needle)[0] == '\0' \
+ ? (haystack) \
+ : ((needle)[1] == '\0' \
+ ? strchr ((haystack), (needle)[0]) \
+ : __strstr_cg ((haystack), (needle), \
+ strlen (needle)))) \
+ : __strstr_g ((haystack), (needle))))
+
+/* Please note that this function need not handle NEEDLEs with a
+ length shorter than two. */
+__STRING_INLINE char *__strstr_cg (const char *__haystack,
+ const char __needle[],
+ size_t __needle_len);
+
+__STRING_INLINE char *
+__strstr_cg (const char *__haystack, const char __needle[],
+ size_t __needle_len)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register char *__res;
+ __asm__ __volatile__
+ ("cld\n" \
+ "1:\n\t"
+ "movl %6,%%edi\n\t"
+ "movl %5,%%eax\n\t"
+ "movl %4,%%ecx\n\t"
+ "repe; cmpsb\n\t"
+ "je 2f\n\t"
+ "cmpb $0,-1(%%esi)\n\t"
+ "leal 1(%%eax),%5\n\t"
+ "jne 1b\n\t"
+ "xorl %%eax,%%eax\n"
+ "2:"
+ : "=&a" (__res), "=&S" (__d0), "=&D" (__d1), "=&c" (__d2)
+ : "g" (__needle_len), "1" (__haystack), "d" (__needle)
+ : "memory", "cc");
+ return __res;
+}
+
+__STRING_INLINE char *__strstr_g (const char *__haystack,
+ const char *__needle);
+# ifdef __PIC__
+
+__STRING_INLINE char *
+__strstr_g (const char *__haystack, const char *__needle)
+{
+ register unsigned long int __d0, __d1, __d2;
+ register char *__res;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "repne; scasb\n\t"
+ "notl %%ecx\n\t"
+ "pushl %%ebx\n\t"
+ "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
+ "movl %%ecx,%%ebx\n"
+ "1:\n\t"
+ "movl %%edx,%%edi\n\t"
+ "movl %%esi,%%eax\n\t"
+ "movl %%ebx,%%ecx\n\t"
+ "repe; cmpsb\n\t"
+ "je 2f\n\t" /* also works for empty string, see above */
+ "cmpb $0,-1(%%esi)\n\t"
+ "leal 1(%%eax),%%esi\n\t"
+ "jne 1b\n\t"
+ "xorl %%eax,%%eax\n"
+ "2:\n\t"
+ "popl %%ebx"
+ : "=&a" (__res), "=&c" (__d0), "=&S" (__d1), "=&D" (__d2)
+ : "0" (0), "1" (0xffffffff), "2" (__haystack), "3" (__needle),
+ "d" (__needle)
+ : "memory", "cc");
+ return __res;
+}
+# else
+__STRING_INLINE char *
+__strstr_g (const char *__haystack, const char *__needle)
+{
+ register unsigned long int __d0, __d1, __d2, __d3;
+ register char *__res;
+ __asm__ __volatile__
+ ("cld\n\t"
+ "repne; scasb\n\t"
+ "notl %%ecx\n\t"
+ "decl %%ecx\n\t" /* NOTE! This also sets Z if searchstring='' */
+ "movl %%ecx,%%edx\n"
+ "1:\n\t"
+ "movl %%ebx,%%edi\n\t"
+ "movl %%esi,%%eax\n\t"
+ "movl %%edx,%%ecx\n\t"
+ "repe; cmpsb\n\t"
+ "je 2f\n\t" /* also works for empty string, see above */
+ "cmpb $0,-1(%%esi)\n\t"
+ "leal 1(%%eax),%%esi\n\t"
+ "jne 1b\n\t"
+ "xorl %%eax,%%eax\n"
+ "2:"
+ : "=&a" (__res), "=&c" (__d0), "=&S" (__d1), "=&D" (__d2), "=&d" (__d3)
+ : "0" (0), "1" (0xffffffff), "2" (__haystack), "3" (__needle),
+ "b" (__needle)
+ : "memory", "cc");
+ return __res;
+}
+# endif
+
+
+/* Bit find functions. We define only the i686 version since for the other
+ processors gcc generates good code. */
+# if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+# ifdef __i686__
+# define _HAVE_STRING_ARCH_ffs 1
+# define ffs(word) (__builtin_constant_p (word) \
+ ? __builtin_ffs (word) \
+ : ({ int __cnt, __tmp; \
+ __asm__ __volatile__ \
+ ("bsfl %2,%0\n\t" \
+ "cmovel %1,%0" \
+ : "=&r" (__cnt), "=r" (__tmp) \
+ : "rm" (word), "1" (-1)); \
+ __cnt + 1; }))
+
+# ifndef ffsl
+# define ffsl(word) ffs(word)
+# endif
+# endif /* i686 */
+# endif /* BSD || X/Open */
+
+# ifndef _FORCE_INLINES
+# undef __STRING_INLINE
+# endif
+
+# endif /* use string inlines && GNU CC */
+
+#endif
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +
sysdeps/i386/i486/bits/string.h | 1975 ---------------------------------------
sysdeps/x86/bits/string.h | 1963 ++++++++++++++++++++++++++++++++++++++-
3 files changed, 1966 insertions(+), 1977 deletions(-)
delete mode 100644 sysdeps/i386/i486/bits/string.h
hooks/post-receive
--
GNU C Library master sources